news | blog

Sealing Tie Holes

Sealing Tie Holes a.k.a. Tie-Rod Holes in Concrete Structures

Introduction

Tie holes, also called tie-rod holes, are small openings in concrete structures created after removing tie rods used in formwork. While essential during construction, these holes can become problematic, especially when exposed to hydrostatic pressure, leading to leaks. A proven and reliable solution to this challenge is polyurethane polymer foam injection.

In this article, we dive into a real-world example of a contractor effectively sealing tie holes and addressing shrinkage cracks in water tanks for a rural water district. By utilizing the advanced SealBoss Injection System, the team achieved lasting results, showcasing the importance of specialized training, the right equipment, and strategic application in preserving concrete structures.

This guide provides valuable insights into the problem of tie holes, effective sealing techniques, and the critical role of expertise in ensuring durable repairs.

What are Tie Holes in Concrete Structures and How to Seal Them Permanently

Tie holes are small openings left in concrete structures after the removal of tie rods, which play a critical role during construction. Tie rods are essential components of concrete formwork—the temporary mold used to shape poured concrete. These rods ensure proper alignment and stability of the formwork during the concrete pouring and curing processes.

Over time, tie holes can become a vulnerability in the structure, as they may begin to leak when exposed to hydrostatic pressure. This typically occurs when water from an external source presses against the opposite side of the concrete structure, leading to potential water infiltration.

Sealing Tie Holes with SealBoss Systems — Polyurethane Polymer Foam Injection is widely regarded as one of the most effective and long-lasting solutions.

This advanced sealing technique permanently stops leaks in tie holes, providing durable protection against water penetration. Its efficiency and reliability make it a top choice for maintaining the structural integrity of concrete constructions.

By understanding the importance of sealing tie holes and utilizing proven methods like polyurethane foam injection, you can prevent water damage and extend the life of your concrete structure.

Sealing Tie Holes and Cracks

A Case Study in Effective Water Tank Repair

Polyurethane Polymer Foam Injection is an effective method to seal leaking tie rods permanently

In the world of construction, particularly in the construction of water tanks, shrinkage cracks and tie-holes are common issues that can lead to slowly weeping or even significant leaks. These problems are often accompanied by visible efflorescence, signaling a need for immediate and effective repair.

A recent project by a contractor in a rural water district expansion north of Atlanta, Georgia, perfectly illustrates how these challenges can be met with the right expertise and equipment.

Encountering the Challenge

During the construction of water tanks in this project, the contractor encountered both shrinkage cracks and tie-holes showing signs of leakage.

To address these issues effectively, the contractor sought on-site support and comprehensive systems training, specifically in the use of SealBoss 1510 NSF Hydrophobic Water Stop Foam and the P2002 High-Pressure Injection Pump.

The Training and Repair Process

The training began with a thorough inspection of the tank to identify the most actively leaking areas.

This was followed by a demonstration of the SealBoss Injection System application. The repair process involved a strategic approach to drilling holes:

The 1, 2, 3, 45 Degree Injection Method was used for the shrinkage cracks, and for sealing the tie-holes, a 45-degree hole was drilled 4 inches from the edge of each tie-hole until the steel insert was reached.

Preparation and Injection

Before the injection process, each drilled hole was pre-injected with water using a spray bottle. Given the ambient temperature of 38 degrees Fahrenheit, hot water (between 70 and 90 degrees Fahrenheit) was used for pre-injection to assist with the catalyzation time of the 1510 foam in the cold concrete. After flushing the holes, the installation of the SealBoss 13-100 AL Evolution Mechanical Packers commenced, followed by the injection process using the P2002 high-pressure injection pump.

Hands-On Learning and Independent Operation

The P2002 pump, known for its simplicity and drill-operated mechanism, was explained in detail. The training emphasized understanding injection pressure and the patience required for successful application.

Initially, the technician assisted with the pump operation, but within 10 minutes, the crew was able to inject independently.

Each packer was injected until there was positive refusal of material around each tie hole, and the same process was applied to the cracks.

Ensuring Long-Term Success

Once the crew gained confidence in operating the system, the focus shifted to cleaning and maintenance of the pump, ensuring its longevity and effectiveness for future projects.

Conclusion

This project north of Atlanta, Georgia serves as a prime example of how proper training and the right equipment can effectively address leaking tie holes and shrinkage cracks in new water tank construction.

The use of SealBoss 1510 NSF hydrophobic foam and the P2002 high-pressure injection pump, combined with hands-on training and a strategic approach to sealing, provided a durable solution to the problem of shrinkage cracks and tie-holes.

This case study not only highlights the importance of addressing these construction challenges promptly but also demonstrates the value of expert guidance and training in ensuring the longevity and integrity of water storage facilities.

Related Articles

Sealing Tie Holes - Water Stop System

SealBoss ® 1510

Concrete Leak Sealing

Leak-Seal Foam Grout
Water Stop Foam Grout
Hydrophobic Injection Foam Grout

Our #1 Selling Polyurethane Injection Foam
Water Cut-Off Injection Grout
Semi-Flex Foam, Water-Activated chemical injection grout. Our most versatile product. Water activated hydrophobic polyurethane foam, expands up to 30-40 times.

SealBoss ® 15X ACCELERATOR

Accelerator for SealBoss Single Component Injection Foams

Accelerator For 1510/1570 PU Injection Foam. Adjust foam gel-time and foam expansion from low foamer to high foamer depending application.

P2002 Injection Pump Standard

Polyurethane Injection

Light Weight, Modular Design
Electric Drill Operated
Single Piston System
6000+ psi – 1 Component

13-100AL Evolution

ALUMINUM MECHANICAL PACKER

Dimensions
1/2″ X 4″
13 x 100mm

13-100AL Evolution

Standard Packer

Economical packer with removable anti-return valve in zerk permits port-port travel technique by removing the zerk fitting. Suitable for PU, EP, Polyacrylate, and Silicate grouts.

Bestseller – a SealBoss Standard

Contact Your SealBoss ® Technician

Seawall Repair

Comprehensive Repair Systems
for Commercial and Residential Seawalls

Seawalls serve as guardians of our coastlines, protecting against the ocean’s force while shielding properties by bays, rivers, and lakes. Yet, their resilience is tested by the ceaseless tides and natural elements, leading to gradual wear over time.

Regular repair and maintenance are essential to keep seawalls in good working order, ensuring their longevity and continued effectiveness in safeguarding both natural and developed areas against erosion and flooding.

Regular repair and maintenance are essential to keep seawalls in good working order, ensuring their longevity and continued effectiveness in safeguarding both natural and developed areas against erosion and flooding.

SealBoss Seawall Repair Methods Introduction:
Seawall Failures and Effective Seawall Repair Strategies

Over the passage of time, even the sturdiest seawalls can exhibit cracks, becoming susceptible to water penetration. In certain scenarios, the very foundation of the seawall might shift due to the erosion of its supporting substrate. Proactively identifying and rectifying these concerns can stave off escalated damage, ensuring the seawall remains a steadfast defense against water and erosion.

Whether for private residences or commercial establishments, many seawalls are crafted with similar design principles.

Their upkeep and restoration can be effectively managed using hydro-active, hydrophobic polyurethane foams for leak-sealing and water-stopping, as well as two-component or dual-component polyurethane foams for void-filling, elevation, and support of foundations and bulkheads.

When it comes to repairing structural concrete damages and concrete spalls in seawalls and marine piles, epoxy injection resins and epoxy paste adhesives can be a reliable option.

These resins can provide long-lasting reinforcement to the affected area, helping to ensure that the seawall or pile can continue to withstand the stress and impact of waves and tides.

Additionally, the use of professional-grade equipment and accessories tailored to the specific conditions of each seawall repair is essential for ensuring both the quality and longevity of the restoration. This specialized equipment helps optimize the application of repair products, such as polyurethane foams and epoxy resins, ensuring they perform as intended in sealing leaks, filling voids, and stabilizing structures. By employing the right tools, contractors can address the unique challenges posed by each seawall’s environment, contributing to more effective, durable repairs that prevent future erosion, water ingress, and structural failure.

Understanding why seawall failure occurs and taking timely steps to prevent further damages is important to protect your land and any structures that may be impacted by ingress of water and shifting soils.

SealBoss Corp. has been providing concrete solutions and systems for seawall repair since 1988. With decades of experience, the company offers a range of proven methods designed to tackle various challenges, ensuring long-lasting protection and stability for both residential and commercial seawall structures. By combining high-quality products with professional expertise, SealBoss continues to be a trusted partner in seawall repair and maintenance.

Why Do Seawalls Fail?
Causes & Warning Signs of Seawall Failure

Poor Maintenance | Lack of Inspection to Detect Problems Early
Erosion, Washout, Sinkholes
Footing, Bulkhead Shift Due to Erosion
Cracks and Expanding Cracks in Seawall
Rust & Corroded Rebar Expansion
Drain Failure
Environmental Factors – Natural Disasters

Regular and Proactive Inspections and Maintenance: A Key Strategy to Prevent Seawall Damage

Executing frequent inspections and prompt maintenance are integral to extending the lifespan of your seawall. These preventative measures can save you from costly repairs in the long run by addressing potential issues before they escalate.

A significant issue you may encounter is the clogging of drain and weep holes. These are crucial components in the seawall’s design as they allow water accumulated behind the wall to drain. If clogged, water will build up, leading to added stress on the seawall and potential damage. This accumulation of water can soften and loosen the soil behind the wall, which could increase pressure and raise the water table. Such conditions might result in the formation of cracks in the seawall structure, thus creating new, unintended pathways for water flow and consequently causing soil erosion.

Understanding the Implications of Soil Erosion due to Accumulated Damages

Water migration through these new pathways, cracks, voids, and defects can lead to a gradual weakening of the seawall. As the wall undergoes consistent damage and erosion, its foundation may lose support and shift. This can be particularly problematic because soil erosion has the potential to create sinkholes. These sinkholes can further collect water, accelerating the decay process and potentially leading to the seawall’s failure.

Hence, regular inspection and maintenance can help identify early signs of soil erosion and structural damages, thereby preventing severe consequences and ensuring the longevity of your seawall.

Seawall, Bulkhead, Revetment Repairs:
Advanced Polymer Systems and Specialized Equipment Solutions

Seawall Insights: Lifespan, Costs, and Innovative Repairs

Seawalls are meticulously designed for specific functions. However, many seawalls have a lifespan of just 25 – 50 years, and possibly less without inspections and maintenance.

Depending on the location, the cost of replacing a deteriorating seawall can range from $200 to in excess of $1000 per foot, prompting many homeowners to seek alternative solutions.

Fortunately, available repair solutions allow for addressing signs of seawall distress early on. The use of polyurethane grouts and epoxy resins can effectively seal leaks, fill voids, stabilize surrounding soils, and provide structural repairs where needed.

Seawall Repair Techniques Used For Seawall Restoration

Seawall repair procedures and techniques include polyurethane crack injection, soil stabilization injection grouting, permeation grouting, structural support and void fill grouting, as well as structural epoxy injection.

By reinforcing, sealing, and repairing seawalls, you can not only maintain their structural integrity but also considerably prolong their lifespan.

SealBoss Offers a Suite of Advanced Seawall Repair Systems and Products tailored for Seawall Rehabilitation

We offer specialized products and systems designed to stop water intrusion, seal gaps, mend leaks, fix cracks structurally, fortify unstable soil, and support compromised foundations for comprehensive seawall and bulkhead repair.

Prolong the lifespan of your seawall for many more years, all at a cost significantly lower than a complete replacement.

Polyurethane Foam Injection Technology

Delivering unmatched robust performance in challenging and wet conditions, polyurethane injection grouting presents a comprehensive array of repair solutions, featuring a variety of grouts and application methods.

Depending on the specific need, these methods can be combined for optimal results. Among the prominent techniques are:

Crack Injection and Curtain Grouting: These methods are used to stop water flow, seal cracks and crevices, prevent general water ingress and further deterioration and erosion
Soil Stabilization and Permeation Grouting: By solidifying the soil around the seawall, this technique ensures a stable foundation, reducing the risk of shifts or collapses. This process involves injecting grout into the soil to reduce its permeability, thereby preventing erosion and water infiltration
Structural Support and Void Fill Grouting: Voids or gaps behind or beneath the seawall can compromise its stability. This technique fills these voids, ensuring the seawall remains firm and upright.

Epoxy Resin Seawall Repair Technology

Specially designed to provide structural strength repairs to concrete cracks and spalling damages, epoxy injection provides sustained structural reinforcement to the vulnerable portions of seawalls, concrete dock posts, and other maritime structures that manifest signs of gradual deterioration. Primarily utilized above the water table.

Epoxy Patching and Injection: Filling, sealing of crack and voids, and providing structural adhesive strength to concrete structures.

Seawall Repair Equipment

Adequate product delivery and application equipment is vital, as it ensures repair materials are
accurately and efficiently injected and delivered at the necessary pressures, achieving the desired penetration and comprehensive repair.

Injection Pumps, deliver repair materials like polyurethane grouts and epoxy resins to damaged areas
Injection Packers, connect the pump to the seawall and ensure material delivery
Injection Soil Lances and Needles, treat and stabilize the surrounding soil
Seal Oakum, to assist in sealing larger cracks, voids, and stop high velocity water flow

By leveraging these products and techniques, one can ensure that seawalls remain robust and resilient against the challenges posed by nature and time.

When to Use Polyurethane Foam Grout for Seawall Injection Repairs

Enter polyurethane foams, a game-changer in seawall repair. These lightweight injection resins offer a multi-pronged solution: they seal leaks, fill voids, mix with soil to create a solid, impermeable mass, and support footings and foundations.

Understanding the Applications of Single Component Hydro Active Foams for Seawall Repair by Injection

SealBoss 1510 Polyurethane Foam
is a single component foam, it excels in sealing cracks and offers impressive soil penetration and stabilization properties. It is activated by an accelerator and is particularly effective for soil permeation and consolidation.
Used for crack injection to stop water flow, seal leaks and fill voids, curtain grouting to seal any gaps between structures and their surrounding substrates, and for soil permeation and stabilization, ensuring the firmness of the substrate, footing, and the entire structure – this versatile, single-component, accelerator controlled, hydrophobic polyurethane foam is activated upon contact with water.
During the reaction phase, SealBoss 1510 infiltrates deep into the cracks or surrounding soil. This permeation helps seal all voids and fissures, simultaneously stabilizing and anchoring any loose substrate. This feature makes it an ideal solution for maintaining structural integrity and preventing water damage.

Other SealBoss Hydroactive Foams, Resins, and Gels to Consider:

SealBoss 1570 and 1570LV flexible hydrophobic foams
SealBoss 1403 super low viscosity PU resin
SealBoss Flexgel hydrophilic gel
SealBoss 2400 ultra low viscosity acrylate gel

Filling Seawall Foundation Voids – Strengthening Seawall Foundations

Understanding the Applications of Plural Component / Two Component Foams for Seawall Repairs

SealBoss 1640
is a two component, structural foam, best suited for filling voids behind and underneath structures, especially in larger aggregate environments.This robust foam offers formidable support, playing a pivotal role in strengthening the seawall’s stability. Yet, it is vital to recognize its constraints: while adept at gap-filling, it is less suited for permeating soil.
SealBoss 1640 can exert significant pressure and lifting forces. Thus, a thorough understanding of your seawall’s specific conditions and needs is imperative before deploying this product. When applied within its recommended parameters, SealBoss 1640 can be potent ally in fortifying seawalls, enhancing their durability and prolonging their operational life.

Other SealBoss Two Component Foam to Consider:

SealBoss 1625

When to Use Epoxy Crack Injection for Seawall Repairs

Resilient epoxy injection resins are used for structural crack repairs in seawalls and marine piles. Cracks are often present in areas that are above the water table and should be preferably dry at the time of application.

Understanding the Applications of Epoxy Resins and Epoxy Paste for Structural Seawall Repairs

SealBoss 4040
Low Viscosity Epoxy Injection Resin is our standard resin, suitable for most concrete restoration projects. It’s an outstanding choice for structural repairs on seawalls, concrete dock posts, and various harbor infrastructure showing signs of deterioration, cracking, or spalling. This versatile epoxy resin proficiently seals and repairs cracks, significantly enhancing the structural integrity and durability of concrete marine installations.
SealBoss 4050 SLV
Super Low Viscosity Epoxy Injection Resin is our specialized solution for concrete restoration where deep penetration is required, particularly in extremely fine cracks. Similar to our standard 4040 resin, SealBoss 4050 is ideal for seawalls, concrete dock posts, and other harbor infrastructure showing signs of deterioration, cracking, or spalling. Its super low viscosity allows it to penetrate the smallest cracks effectively, providing a durable seal that reinforces the structural integrity of concrete marine installations.

SealBoss 4500
is our fast-setting, high-modulus structural epoxy paste adhesive, specifically suited for seawall repairs and other concrete restoration projects. This versatile paste is ideal for surface sealing of concrete cracks and securing surface-mount ports before epoxy injection.
For smaller jobs, we also offer epoxy resins and other professional-grade products in convenient dual cartridges, providing an efficient alternative to bulk materials while maintaining the same quality and reliability.

What SealBoss Equipment Do I Need For Seawall Repairs?

For seawall repairs, we recommend the SealBoss Injection Packer and Surface Port System for targeted crack repair. These tools allow for precise resin injection, ensuring proper sealing and structural integrity. For permeation grouting and soil stabilization, our Injection Lances and Grout Injection Needles are ideal for reinforcing weak soils and stabilizing the surrounding area.

SealBoss also offers a wide range of injection pumps, from manual to high-pressure models, designed to handle various resin types and viscosities, ensuring accurate and efficient material application. This combination of equipment delivers reliable, long-term results for seawall repair projects.

SealBoss System Equipment and Accessories for Seawall Repairs

Injection Pumps:
SealBoss® offers a wide range of professional-grade, proven pumps tailored to meet your seawall repair injection needs. Selecting the right pump depends on several factors, including the size of the job, the components of the product, and the specific material properties.
SealBoss provides a variety of pump designs, including piston and membrane models, available with electric, pneumatic, drill-operated, or hand-powered options. Whether you need a pump for single-component, two-component, or plural-component applications, SealBoss has the ideal solution for your project.

Injection Packers:
We offer a broad selection of packer materials, diameters, lengths, as well as various ball and valve designs, ensuring the perfect fit for your specific seawall repair needs. Packers are the essential link between the injection pump and the seawall, guaranteeing secure and efficient delivery of repair materials to the target area. Both mechanical injection packers and injection ports are vital for a successful injection process.
At SealBoss, we are dedicated to providing one of the most comprehensive and versatile selections of injection packers in the industry, delivering reliable solutions for projects of all sizes and complexities.

Injection Soil Lances and Grout Injection Needles:
Specifically engineered for soil injection, soil grout lances are designed to penetrate deep into the ground, ensuring the repair material reaches the necessary depth. Connected to a pump or pressurized system, the lance delivers the polymer solution directly to the targeted area. Once inserted into the ground at the desired depth, the polymer is injected. Both the pressure and flow rate can be adjusted according to the soil type and the project requirements, ensuring optimal stabilization and long-lasting results.
SealBoss Injection Needles are designed for specialized grouting applications, enabling precise product delivery into soil substrates through a small opening, as well as for use in the Oakum Soakum Injection Technique and more. These versatile needles are suitable for a wide range of grout types, including polyurethane (PU), epoxy (EP), polyacrylate, and silicate grouts, ensuring effective application across diverse projects.

Seal Oakum:
Soakable Oakum is specifically designed to absorb SealBoss Water Stop Foam products and injection grouts, ensuring they stay securely in place to create an effective barrier in larger openings with active water infiltration. As a carrier medium for hydro-active foam resins, Soakable Oakum is ideal for sealing leaks in wide gaps. It can help to slow down substantial water flow, giving the injection foam time to fully cure, resulting in a durable and watertight seal that protects against further leakage.

Podcast:
Seawall Repair Discussion and Valuable Information

Podcast with Seawall Repair Contractor

In this podcast, two industry professionals talk about grout injection and seawall repair with single and dual component polyurethanes. The procedures discussed cover general injection grouting procedures, including erosion control, permeation grouting and seawall support and footing stabilization.

SealBoss can connect you with experienced foundation and polymer injection specialists, trained in the SealBoss system, who specialize in seawall repairs and maintenance, using the full spectrum of SealBoss Systems. Reach out to a local contractor for structural stabilization, geotechnical soil injections, or leak sealing services, and lower your costs on seawall and bulkhead repairs.

Expert Interview Podcasts on Infrastructure Repair, Products, Methods, and more

Waterproofing Parking Structure Cracks

Waterproofing
Parking Structure Cracks

Acrylic
Gel
Injection

WATER – ESSENTIAL YET DESTRUCTIVE

Water is the foundation of life on Earth, yet it also possesses the power to erode, weaken, and destroy. Nowhere is this duality more evident than in the construction industry—particularly in the behavior of concrete.

Water is essential to concrete’s formation, enabling its chemical transformation from a fluid, workable mixture into a solid, durable structure. However, once cured, unwanted water infiltration can become a silent destroyer, corroding reinforcing steel and compromising structural integrity.

Over time, this deterioration can render concrete structures unsafe and unusable. In essence, water is both a creator and a threat—one of the simplest yet most powerful forces shaping our built environment.

This article explores how water intrusion impacts concrete structures—specifically in parking facilities—examining common vulnerabilities, potential consequences, and proven solutions to mitigate damage. By understanding these risks and applying effective waterproofing techniques, engineers and contractors can extend the lifespan of concrete structures and ensure long-term durability.

Waterproofing Parking Structure Cracks

At a parking structure in Burlingame, California, the shotcrete structure and mat slab were exhibiting signs of unwanted ingress from the water table outside of the building.

While evidence of cracking was not necessarily present, efflorescence on the interior surface of the walls told the tale that the migration of unwanted groundwater was presenting a problem.

The structure is referred to as an Automated Parking Structure where building tenants can retrieve their automobiles by entering a code at the entry point to the structure and have their vehicles essentially “delivered” to them once the internal workings of the structure retrieve the vehicle. It becomes obvious from this description of the project that water has no place in the intricate electronic systems that comprise this facility but more so on or near the vehicles that live in this structure. Something needed to be done and a certified specialized contractor was called in to get the water mitigation handled.

The construction of the concrete is something to note, particularly with respect to the steel in place at a double mat (2 layers within the walls) of #9 and #11 bars at a spacing of 24” on center each way. This reinforcing steel is a sturdy configuration –and a lot of steel — all of which is susceptible to corrosion if water is present after the shotcrete’s cure out.

That amount of steel, if subject to corrosion, could, over time lead to spalling and eventually an overall degradation of the structure if left unaddressed.

A Permanent Fix for Persistent Leaks

The SealBoss 2400 super low viscosity acrylic gel injection system was the answer for waterproofing parking cracks permanently.

The 2400 system is extremely well suited to seal structures with very fine and hairline cracks and fissures.

The 24’ high walls needing injection stood atop a 6’ thick cast-in-place mat slab and were +/- 24” thick. Extending from the tops of the walls to grade were 4’ high cast-in-place ring beams. By drilling into the walls 22” (not all the way thorough) and setting mechanical packers into the drilled holes, the delivery of the SealBoss 2400 system was now possible to as was its migration within the substrate.

The environmentally friendly SealBoss 2400 offered outstanding penetration properties similar to plain water, allowing it to permeate throughout the wall’s network of fissures, no matter how tight and narrow. In some instances, the material would shoot out of pinholes and cracks barely visible to the naked eye several feet away, further showcasing its ability to navigate the concrete’s crack and pore network thoroughly and effectively. Once gelled, the material prevented unwanted water migration to reinforcing steel within the substrate.

Mission accomplished

If there are any questions about this project in need of answering please do not hesitate to contact us, we are here to assist in any way we can. Always remember to work safely by wearing eye protection and gloves when handling any type of chemicals. We hope you enjoyed our review of the project outlined above and encourage you to explore our website to learn more about our vast array of waterproofing solutions for concrete structures.

Video – Acrylate Gel Injection SealBoss2400
Super Low Viscosity Penetration Properties

– See How SealBoss 2400 Pushes through
Finest Cracks and Fissures
– See Port to Port Injection Technique
– See Product Travel of Several Feet

SealBoss 2400 Gel Injection System

Links to Leak Sealing with SealBoss Acrylate/Acrylic Super Low Injection System

SealBoss Acrylate/Acrylic System

Click Here

Acrylate

Contact Your SealBoss ® Technician

Acrylate Resins

Acrylic Polymer Injection

Introduction

Acrylate resins have become a cornerstone in construction and repair due to their hydrophilic nature, flexibility, and ultra-low viscosity. These properties make them ideal for sealing and waterproofing applications, as they can easily penetrate fine cracks and adapt to structural movements.

SealBoss 2400 SealGel SLV Acrylate Gel exemplifies these advantages, offering an environmentally friendly, two-component hydrophilic polyacrylate gel with outstanding penetration properties.

Its ultra-low viscosity allows it to flow into the finest cracks and fissures, effectively sealing hairline cracks and porous structures such as masonry, cementitious grouts, blocks, and brick. This makes it particularly suitable for applications like tunnel and shaft sealing, soil stabilization, and curtain injection.

Acrylate Resins: The Ultimate Solution for Leak Sealing and Waterproofing

Acrylate resins have revolutionized the construction and repair industry, offering a highly effective, flexible, and durable solution for sealing leaks and waterproofing a variety of structures. Whether used for crack injection, curtain injection, soil stabilization, or infrastructure repairs, acrylate resins provide a long-lasting, reliable seal that adapts to the needs of different environments. These resins are particularly valued for their hydrophilic nature, ultra-low viscosity, and adjustable gel time, making them ideal for applications where precision and adaptability are critical.

Acrylate Resins are a popular choice in construction and repair work, and here is why:

Hydrophilic Nature: One of the standout features of acrylate resins is their ability to absorb and interact with water. This property makes them highly effective in wet environments, as they actively seek out moisture to form a watertight seal. This is particularly useful in applications such as tunnel waterproofing, underground construction, and dam repairs.
Exceptional Flexibility: Acrylate Gels are super flexible, perfect for non-structural injection into cracks, gaps, and other spaces. This flexibility ensures that the seal remains intact despite shifts or structural movements, reducing the risk of recurring leaks. Whether it’s crack injection, injection hoses, compartment setups, or large area injections, such as grid or curtain injection, acrylate resins have got you covered.
Ultra-Low Viscosity for Maximum Penetration: Acrylate resins have a water-like consistency, allowing them to penetrate microcracks and porous materials that other sealants might miss. This super-low viscosity ensures deep penetration and complete coverage, making them an excellent choice for hairline crack injection, soil stabilization, and waterproofing porous substrates like concrete and masonry.
Adjustable Gel Time for Precise Application: Depending on site conditions such as temperature, injection distance, and material porosity, the gel time of acrylate resins can be adjusted to slow down or speed up the curing process. This makes them versatile and suitable for different application scenarios, from rapid-response leak sealing to long-distance injection in extensive underground networks.
Hydrophilic Swelling for Leak-Proof Seals: Acrylate resins exhibit a swelling effect upon contact with water, ensuring a tight, durable seal that remains effective even under fluctuating conditions. This makes them the go-to solution for water-bearing concrete structures, basements, and retaining walls.
Eco-Friendly and Easy Cleanup: Spills or excess? SealBoss 2400 acrylate resin formulation is water-based and environmentally friendly, reducing the impact on the surrounding ecosystem. Additionally, any uncured excess material or spills can be easily cleaned with water, making them user-friendly and safe to work with.

In short, if you’re looking to seal or repair water bearing concrete structures, Acrylate Resins might just be your best bet!

SealBoss 2400 Acrylate Gel Resin – A Premium Solution

SealBoss 2400 is a high-performance, super flexible and ultra-low viscosity injection alternative in the world of Water Stop and Leak Sealing:

Key Features of SealBoss 2400

Super Flexible & Ultra-Low Viscosity: SealBoss 2400 offers an exceptionally fluid consistency, allowing it to reach the smallest cracks and gaps while maintaining long-term flexibility. This prevents future leaks by ensuring comprehensive penetration and adaptation to movement within the structure. The added flexibility is crucial as it allows the resin to adapt and move with the natural expansion and contraction of materials, reducing the risk of future leaks or damage.
Hydrophilic Acrylic Formulation: SealBoss 2400 is designed to produce a robust yet flexible gel gasket, making it ideal for handling expansion joints, curtain injection, and compartmentalized waterproofing systems.
Versatility in Application: Whether it is for a primary injection, a secondary pass to tighten up, or for injection tubes, SealBoss 2400 is your go-to solution.
High Performance & Durability: This advanced resin provides long-lasting waterproofing, preventing leaks even in the most demanding conditions. It is widely used in subway tunnels, underground parking garages, and infrastructure repairs.
Eco-Friendly Water-Based Formulation: SealBoss 2400 is a sustainable and environmentally responsible choice, offering high-performance sealing.

Why Choose Acrylate Resins for Your Next Project?

When it comes to sealing cracks, waterproofing structures, and preventing leaks, acrylate resins are unmatched in their performance, adaptability, and longevity.

Their hydrophilic nature, flexibility, and ultra-low viscosity make them ideal for a wide range of applications, from industrial infrastructure to residential waterproofing.

By choosing high-quality acrylate resins like SealBoss 2400, professionals can ensure durable, watertight, and environmentally friendly solutions that stand the test of time. Whether you’re working on leak-sealing tunnels, strengthening foundation walls, or repairing water-damaged structures, acrylate resins offer a proven and reliable approach to waterproofing and structural protection.

For the best results, always select premium-grade acrylate resins from trusted manufacturers like SealBoss, ensuring superior performance, ease of use, and long-term durability.

With SealBoss 2400, you are selecting efficiency, ultra low viscosity, user friendliness, and excellence all in one package!

Related Articles

Contact Your SealBoss ® Technician

Sealing Pipe Penetration Water Leaks at Multi Family Apartment Complex

Sealing
Pipe Penetration
Water Leaks

Multi Family Apartment Complex

Introduction

Water intrusion through pipe penetrations in apartment complexes can lead to significant structural damage, safety concerns, and costly repairs if not addressed promptly.

At a newly constructed apartment complex, persistent water leaks from a courtyard into an underground parking structure posed a serious challenge.

The leaking water caused concrete staining, erosion, and fire-stop material damage, jeopardizing the integrity of the building.

To tackle these issues, a certified SealBoss installer implemented a comprehensive and effective solution to seal the pipe penetration leaks.

Using advanced chemical injection grouting techniques and specialized SealBoss products, the contractor successfully resolved the problem, ensuring a watertight seal around the pipe penetrations and restoring the structure’s integrity.

This article details the step-by-step process and products used to address these complex leaks, offering insights into effective pipe penetration sealing solutions for multi-family apartment projects.

Multi Family Apartment Pipe Penetration Leak Stop

A certified SealBoss installer was engaged to resolve water intrusion issues at a new apartment complex, where water from a courtyard was leaking into the underground parking structure. This water was causing staining and erosion of the concrete floor and soaking into the fire-stop material. Upon investigation, it was found that rainwater and the courtyard’s irrigation system were the sources of the leaks.

The contractor employed a three-step approach to inject SealBoss 1510 Water Stop Foam into and around the affected pipe penetrations, successfully sealing the most problematic leak points.

Horizontal Blanket Injection: This technique filled the voids between the geofoam and poured concrete, creating a barrier around each pipe penetration. The contractor drilled strategically through the concrete deck and into the geofoam, placing injection packers to form an effective seal.
Area Draining and Packer Installation: After draining the area, injection packers were placed for a targeted injection of hydrophobic foam, addressing the initial leak sites.
Penetration Sleeves Sealing: A few days later, new leaks were detected around the pipe sleeves. For larger metal sleeves, the contractor drilled at a 45-degree angle toward the sleeve and injected SealBoss 1510 Water Stop Foam until a positive refusal around the sleeve was achieved. To contain the expanding material, SealBoss CanSeal Foam was used as a temporary backing and also to fill the voids between the concrete and ribbed steel sheeting.

SealBoss ® CanSeal Utility Foam is a specially formulated closed cell sealing foam — engineered to fully expand inside the applicator ‘gun barrel’. When the foam exits the tip of the gun it is already fully expanded, enabling you apply exactly as much foam as you need without the messy and undesired “mushrooming” experience you may have with most of the other ‘over the counter’ foam products.

Small Pipe and Pipe Penetration Leak Sealing Kits

SealBoss SealPipe Kit

For smaller pipe penetrations with poly sleeves, a Grout Injection Needle was utilized to inject foam into tighter spaces. Open-cell backer rod was inserted into the sleeve to contain the resin as the needle was withdrawn, allowing SealBoss 1510 Water Stop Foam to expand upward, effectively sealing the poly sleeve and stopping the leak.

This comprehensive approach enabled the contractor to stop the leaks successfully. Following the repair, the building owner was advised to re-evaluate the courtyard’s irrigation system to prevent future water intrusion into the underground parking area.

Chemical Grouting Products Used

Grouting Pump Used

SealBoss P2002 – Electric Injection Pump

Call Your SealBoss ® Pipe Penetration Leak Sealing Specialist

If you have any questions on chemical injection grouting or any related applications, please contact our team of qualified SealBoss grouting repair representatives to schedule an on site consultation & full systems training. Call us at 714-662-4445.

Pipe Penetration Leak Sealing

Click Here

Pipe Seal

Contact Your SealBoss ® Technician

Below Grade Waterproofing

Below Grade Waterproofing: Innovative Solutions for Complex Challenges

In the field of construction and building maintenance, below-grade waterproofing poses distinct challenges, particularly when addressing sensitive areas where direct access to the source of leakage is limited, and traditional crack injection methods for waterproofing are not feasible.

A recent case involving a below grade mechanical room with water intrusion issues highlights the innovative approaches and solutions available in today’s construction industry.

Polyurethane Polymer Gel and Foam Injection are effective methods to seal areas that are not easily accessible. With direct and indirect chemical grout delivery methods available, a wide array of below grade waterproofing problems can be resolved.

In this specific case grout injection lances were the delivery method of choice to combine waterproofing techniques such as soil permeation and consolidation grouting and curtain injection grouting to seal a subterranean mechanical room of a hospital.

Below Grade Waterproofing
Using Injection Lances and Polymer Gel

The Challenge: Water Intrusion in a Below Grade Mechanical Room

A mechanical room located below grade was experiencing water intrusion through shrinkage cracks and cold joints. The complexity of the situation was heightened by the fact that the problem could not be addressed from the negative side (inside the mechanical room) due to the placement of conduit and utility pipes. This scenario is not uncommon in below grade waterproofing projects, where access and space constraints often limit traditional repair methods.

Seeking Expert Solutions

In response to this challenge, the engineer overseeing the project reached out to SealBoss, a renowned name in the field of waterproofing and chemical grout injection solutions. SealBoss proposed a soil permeation and consolidation grouting and curtain injection grouting solution using SealBoss FlexGel hydrophilic polyurethane polymer leak sealing foam gel, a method well suited for this complex below grade waterproofing scenario.

The Process – Soil Permeation Injection and Consolidation Grouting with Injection Lances

Once the proposal was approved by all parties involved, the injection process began. The first step involved drilling cores to confirm the layout of below grade structures. During this phase, an unexpected utility bay was discovered, necessitating a modification in the layout of injection points to accommodate these below grade structures.

Installation and Injection Techniques

The installation process involved driving ½” soil injection lances into the core holes and installing female couplers to work with the custom applicator built by the contractor.

SealBoss Grout Injection Lances for soil permeation and consolidation grouting and curtain injection grouting.

This step was crucial for ensuring that the SealBoss FlexGel would be injected precisely where needed. Before the injection of FlexGel, each hole was initially flooded with water using a SealBoss IP495 Pump, specifically dedicated for water injection. This flooding was essential to suspend the strata below and prepare it for the FlexGel injection.

FlexGel Injection: Creating a Waterproof Barrier

Each hole received an initial injection of 3 gallons of water, followed by 1 gallon of FlexGel neat out of a separate dedicated SealBoss IP495 polymer injection pump. A final injection of up to 1 gallon of water through the designated water pump was then administered. During the FlexGel injection, the lance was lifted to create a vertical curtain, effectively wrapping around the found utility bay. Additional material was pumped below the elevation of the bay on either side to flood the cavity between the utility bay and the exterior of the mechanical room, creating a comprehensive waterproof barrier.

Results and Follow-Up

The initial injections were completed within a few hours, but additional cores had to be made to proceed further. A week after the installation, the area experienced heavy rains for three days. The hospital maintenance staff reported that the leak had subsided, marking a successful application of below grade waterproofing using the Curtain/Blanket Injection method with FlexGel.

Conclusion: Below Grade Waterproofing Success

This case study exemplifies the effectiveness of innovative below grade waterproofing techniques in addressing complex water intrusion issues. The use of FlexGel Hydrophilic gel in a Curtain/Blanket Injection method proved to be an efficient solution for a challenging situation, highlighting the importance of choosing the right approach and materials in below grade waterproofing projects. As the construction industry continues to evolve, solutions like these offer hope and reassurance for tackling even the most daunting waterproofing challenges.

Related Links

Below Grade Waterproofing - Water Stop System

SealBoss ® FLEXGEL

Leak Sealing Injection Gel
Hydrophilic Injection Foam Gel
Hydrophilic Gel

Versatile Hydrophilic Polyurethane Foam-Gel
Water activated single component hydrophilic Polyurethane grout. Reacts to a foam with 1 to 3 parts of water added and to a very flexible gel with 4 to 15 parts of water added (by volume). Drinking Water Contact meets NSF/ANSI 61 Section 5 requirements.

IP495 Pump

Polyurethane Injection Pump

Larger Projects, Extended Injection
Electric Motor
Piston System
2500 psi – 1 Comp.

Grout Injection Lances

STAINLESS STEEL

Dimensions
12″
36″
60″

Contact Your SealBoss ® Technician

Leak Sealing Methods

Leak Repair Overview

Leak Sealing Methods

Introduction

This article provides an overview of various methods for sealing leaks in concrete structures, emphasizing the importance of choosing the right technique based on factors like leak severity, material compatibility, and environmental considerations.

It highlights the most common methods: crack/joint injection and curtain grouting, which are essential for maintaining the structural integrity of concrete structures including tunnels, dams, commercial buildings, and foundations in general. The article also explores other leak sealing methods and options like epoxy resin injection and swellable waterstop caulking and water activated, expanding polymer strip tapes, discussing their applications and effectiveness.

Key considerations for method selection are outlined, including the size and location of the leak, material compatibility, effectiveness, environmental impact, cost-efficiency, regulatory compliance, and long-term sustainability.

The conclusion underscores the necessity of a comprehensive understanding of these factors for making informed decisions that ensure the safety and longevity of concrete structures.

Click icons for more information.

Ensuring Integrity in Concrete Structures

Water leaks in concrete structures can pose significant challenges, necessitating a thorough exploration of leak sealing methods. The integrity of structures like tunnels, dams, and foundations depends on the effectiveness of these methods. This article delves into the various techniques available, their applications, and the factors influencing their selection.

Crack/Joint Injection and Curtain Grouting

Crack/joint injection and curtain grouting stand out as the most prevalent techniques for addressing active water leaks in concrete structures. These leak sealing methods are the first line of defense against water intrusion, providing immediate solutions to maintain structural integrity.

Crack/Joint Injection – A Focused Approach to Leak Sealing

Crack/joint injection is a precise method that involves injecting polyurethane grout into specific cracks or joints where water is actively leaking. This technique is renowned for its effectiveness in sealing everything from minor seepage to significant leaks across various concrete structures, including walls, foundations, and commercial parking structures.

Curtain Grouting – Creating Barriers Against Water Intrusion

For larger leaks or when the precise leak location is elusive, curtain grouting is the method of choice. This leak sealing method involves injecting grout in a pattern that forms a waterproof barrier, particularly behind tunnel linings, offering a robust solution to water ingress.

Epoxy Resin Injection – Strengthening and Sealing Combined

While epoxy injection is primarily used for structural repairs, it also serves as an effective barrier against water intrusion. However, its use as a water stop is limited in areas with very active leaks.

Epoxy resins, synthetic polymers known for their strong adhesive properties, are particularly useful for sealing leaks in a variety of structures. Their ability to bond with concrete, some metals, and wood makes them a versatile option in the leak sealing methods arsenal.

Swellable Waterstops – Expanding the Fight Against Leaks

Swellable waterstops are hydrophilic materials that expand upon contact with water, effectively sealing off leaks. These are commonly implemented in construction joints and are highly effective in segmented concrete tunnels and structures.

Key Considerations for Leak Sealing Method Selection

The choice of a leak sealing method is influenced by several factors

Severity and Location of the Leak
The size and accessibility of the leak are key in determining whether crack/joint injection or other methods like curtain grouting are appropriate
Material Compatibility
The compatibility between the sealing material and the structure, such as concrete linings in tunnels, is crucial. Polyurethane grouts are compatible with concrete, while epoxy resins are better suited for metal surfaces
Effectiveness
The method’s ability to seal the leak and prevent future occurrences is the foremost consideration
Environmental Considerations
In environmentally sensitive areas, such as near water bodies, the selection of eco-friendly sealing materials is imperative
Cost-Efficiency
Long-term costs, including maintenance and potential resealing, should be considered alongside the initial cost
Regulations – Compliance
It is essential to select a method that adheres to local regulations to avoid any legal issues
Long-Term Sustainability
The method should provide a durable solution to minimize the need for frequent repairs

Conclusion

Leak sealing methods extend beyond crack/joint injection and curtain grouting. A comprehensive understanding of material compatibility, leak severity, and environmental impact is essential in selecting the appropriate method. By considering these factors and the outlined criteria, stakeholders can make informed decisions that offer long-term benefits, ensuring the safety and longevity of concrete structures.

Related Articles

Contact Your SealBoss ® Technician

Polyurethane Injection Kit

Leak Sealing Water Infrastructure Projects Effectively

Introduction:

In large-scale water infrastructure projects, maintaining structural integrity through effective leak sealing is essential. Cracks and leaks in holding tanks, pipelines, and other critical components can compromise the entire system’s efficiency and safety.

A polyurethane injection kit provides a comprehensive solution to these challenges, combining specialized polyurethane grout, durable injection packers, and a portable, high-powered injection machine. Designed to address the demanding requirements of water infrastructure, these kits ensure reliable, long-term repairs that enhance operational stability. This article explores the pivotal role of polyurethane injection kits in large water projects and their effectiveness in achieving lasting leak sealing in complex environments.

Polyurethane Injection Kit: Effective Leak Sealing in Water Infrastructure Projects

For large-scale infrastructure projects like the North Water Treatment Plant in Gilbert, Arizona, sealing leaks in critical areas such as holding tanks is a top priority. This high-stakes project required an advanced polyurethane injection kit to efficiently seal cracks and maintain the plant’s long-term structural integrity.

Using specialized polyurethane grout, injection packers, and a portable injection machine, this comprehensive kit is invaluable for leak repair across diverse climates, from Arizona’s warm, reaction-accelerating conditions to colder environments.

SealBoss 1570 LV Polyurethane Injection Kit: Engineered for Tight Cracks

At the core of the project’s leak-sealing success was the SealBoss 1570 LV Polyurethane Injection Kit, renowned for its precision in sealing fine cracks. This kit’s key component, the SealBoss 1570 LV Water Stop Foam, is a hydrophobic polyurethane grout designed to penetrate ultra-tight spaces. Its low viscosity and centipoise allows it to fill the narrowest fissures at low pressure, making this polyurethane injection kit highly effective for infrastructure repairs that require thorough and lasting sealing.

BP-13-100 AL Aluminum Packers: Reliable Components in the Polyurethane Injection Kit

Included in this specific polyurethane injection kit are the industrial grade and economically friendlyBP-13-100 AL aluminum packers, which ensure secure entry points for grout injection. These aluminum packers feature a crucial anti-return valve, helping to control grout flow and enabling precise, port-to-port injection techniques. Known for compatibility with both polyurethane and epoxy grouts, these packers are reliable for various long-term infrastructure repair projects, making the polyurethane injection kit versatile and cost-effective.

P2002 Drill-Operated Injection Machine: Power and Portability

Another key element in the polyurethane injection kit is the SealBoss P2002 drill-operated injection machine. Compact yet powerful, this machine was designed specifically for professional applications where maneuverability is essential. The P2002 machine allowed contractors to quickly and accurately apply grout, making it an essential tool in the polyurethane injection kit for large projects requiring efficiency and reliability.s

Adapting the Polyurethane Injection Kit for Temperature Conditions

Arizona’s warm climate introduced additional challenges, as chemical reactions in polyurethane can accelerate under heat. Adjustments to the injection timing and material preparation helped optimize the polyurethane injection kit under these conditions, demonstrating the importance of environmental planning. With temperature-sensitive materials, even slight adjustments to the process, such as adjusting the use of accelerator SealBoss 15x, can yield optimal results.

Top Benefits of Using a Polyurethane Injection Kit System for Water Infrastructure Projects

Using a polyurethane injection kit offers significant advantages for water infrastructure projects:

Optimized Injection System: The polyurethane injection kit combines specialized grout, durable packers, and a reliable pump, creating a fully integrated system designed for optimal performance. This synergy allows for ease of application, controlled flow, and the best possible sealing results, making the process straightforward and efficient for contractors.
Precision in Tight Spaces: Low-viscosity polyurethane grouts allow thorough penetration into fine cracks, ensuring lasting repairs.
Durability and Flexibility: Polyurethane is highly resilient to water exposure and pressure, ensuring that repairs remain intact over time.
Efficient Application: With portable, powerful equipment like the P2002 injection machine, polyurethane grout can be applied quickly and accurately.

Conclusion - Polyurethane Injection Kits

In summary, our various polyurethane injection kits, exemplified by the SealBoss 1570 LV Kit, integrate all necessary components for effective leak-sealing in large-scale water projects.

The North Water Treatment Plant in Gilbert, Arizona, showcases how advanced polyurethane injection kits can enable reliable, long-lasting repairs, highlighting their critical role in preserving essential infrastructure.

Ready to enhance your water infrastructure projects with reliable, long-lasting, leak sealing polyurethaen injection kits?

Discover the benefits of a polyurethane injection kits today. With a fully optimized systems that combines precision grout, durable packers, and a powerful pump, this kit is designed for efficiency, ease of use, and superior results.

Contact SealBoss to learn more about our injection solutions and find the perfect kit for your project needs.

Polyurethane Injection Kits

Click Here

Injection

Contact Your SealBoss ® Technician

Chemical Grouting Leaking Tieback Anchors

Chemical Grouting
Leaking Tieback Anchors

Understanding Tieback Anchors and Their Susceptibility to Leaks

Tieback anchors are essential components in construction and geotechnical engineering, providing lateral support to structures like retaining walls, foundation walls, slopes, and excavations. They are designed to stabilize these structures by transferring loads deep into the ground, preventing shifts and ensuring structural integrity.

However, tieback anchors can become susceptible to leaks under certain conditions. Factors such as high groundwater tables, soil movement, wear and tear, and corrosion can compromise the anchor’s sealing and allow water infiltration. This water intrusion can undermine the anchor’s effectiveness and potentially lead to structural issues, including damage to building foundations and other critical areas.

Chemical Grouting Leaking Tieback Anchors with SealBoss 1510 Water Stop Foam

Addressing leaks in tieback anchors and foundation wall anchors is a common challenge in construction and civil engineering. Fortunately, chemical grouting with products like SealBoss 1510 Water Stop Foam provides an efficient and reliable solution. This guide offers a quick overview of how to seal leaking tieback anchors using high-performance polyurethane chemical grouts.

Why Choose SealBoss Chemical Grouts?

SealBoss Chemical Grouts are specially formulated polyurethane injection foams designed to stop water leaks in concrete and masonry structures. Key benefits include:

Rapid Reaction Time: SealBoss grouts expand quickly upon contact with water, allowing for fast repairs and minimal downtime on site.
Superior Performance in Wet Environments: These grouts work exceptionally well in saturated conditions, making them ideal for sealing tieback anchors exposed to high groundwater levels.
Effective, Long-Lasting Seal: The grout expands to fill cracks and voids, providing a durable, watertight seal that prevents further water intrusion and protects structural integrity.

By utilizing SealBoss Chemical Grouts, contractors and engineers can effectively address leaking tieback anchors, ensuring the stability and longevity of foundational and retaining structures.

A Guide to Sealing Leaking Tieback Anchors with SealBoss Solutions

Effectively sealing leaking tieback anchors is crucial for maintaining the structural integrity of retaining walls, foundations, and other critical infrastructure. Using a professional-grade solution like SealBoss Chemical Grouts can streamline this process and ensure a long-lasting, durable seal. Follow these steps to achieve optimal results:

Locate the Leak
Begin by thoroughly inspecting the area to pinpoint the leak location. Accurate leak detection is essential for efficient grout application and ensures the repair targets the precise area of concern.
Prepare the Injection Site
Once you’ve identified the leak, clean the surface area thoroughly to remove any debris, dust, or contaminants that could interfere with the grout’s adhesion. Next, drill holes for the injection packers directly at the leak site. For most applications, positioning the injection packers in a circular or ring-like pattern around the affected area is ideal, as this allows for uniform grout distribution and thorough penetration of the chemical grout.
Install the Injection Packers
Insert SealBoss high-quality injection packers into the drilled holes. These packers act as secure channels for the chemical grout to flow precisely where needed. Properly installed packers prevent leakage during injection, maximize the effectiveness of the grout, and support high-pressure application, which is often necessary for deep penetration in industrial-grade repairs.
Prepare the SealBoss Chemical Grout
For optimal results, mix SealBoss foam grout with SealBoss 15X Accelerator, following the manufacturer’s precise instructions. This combination provides an accelerated reaction time, making it highly effective for fast-setting repairs. The chemical grout is designed to expand upon contact with water, making it especially suitable for sealing leaks in wet or damp environments common to tieback anchors.
Inject the Chemical Grout Foam
Using a professional-grade injection pump, such as the SealBoss IP495 or the P2002, inject the chemical grout foam into the packers. These pumps are specifically designed for high-performance applications and allow you to control the pressure and flow rate, ensuring the grout penetrates even the smallest cracks and voids. Upon contact with water, the grout expands, creating a durable seal that is both waterproof and flexible, essential for withstanding environmental stressors and ground movement.
Monitor the Repair
After the grout has cured (typically within minutes, depending on conditions), inspect the area to confirm the leak has been sealed. SealBoss Chemical Grouts offer visible and immediate expansion, allowing you to assess the success of the repair on-site. For added assurance, consider performing a pressure test on the repaired tieback anchor. If any leakage remains, simply repeat the injection process to address the remaining gaps until the leak is fully sealed.

Conclusion

Sealing leaking tieback anchors doesn’t have to be a complicated or time-consuming task. By using SealBoss Chemcial Grouts and SealBoss’s robust injection systems, contractors and engineers can effectively address and prevent leakage in tieback anchors, ensuring structural integrity, longevity, and enhanced performance in challenging conditions. SealBoss solutions are designed for durability, allowing for confident, high-quality repairs that stand the test of time.

Get in Touch with SealBoss for Professional Chemical Grouting Solutions

SealBoss has a long-standing reputation in leak sealing, concrete repair, and waterproofing solutions. With SealBoss products, you can achieve professional results that enhance the lifespan and resilience of critical structures—whether you’re working on commercial projects, retaining walls, or foundational repairs.

Contact our team today for expert advice on choosing the right chemical grouting products and equipment for tieback anchor repairs. Let SealBoss help you achieve effective, long-lasting results with our trusted grouting solutions.

Contact Your SealBoss ® Technician

Leaking Crack Repair

Coached by a Top Industry Professional

In the world of construction and maintenance, “leaking crack repair” is a term that frequently emerges, particularly when addressing structures that contain water or are vulnerable to moisture and water intrusion. Addressing these cracks swiftly and efficiently is vital for the structure’s safety and durability.

Sealing the Future – Preserving the Past
Since 1988

Leaking Crack Repair

Sealing the Future – Preserving the Past
Since 1988

The Need for Crack Injection Training

A prominent general contractor, who usually subcontracts such tasks, expressed the need for immediate crack injection training on a specific jobsite. Their primary aim was to acquire the expertise for smaller projects, allowing them to handle leaking crack repair internally on certain timely projects. This proactive approach not only saves time but also ensures that minor issues can be addressed before they escalate.

A Case Study: Water Treatment Tank Crack Sealed

Scope: New Concrete Tank – Water Test Failure – Asses and Seal

The facilities in question comprised three holding cells, separated by two poured-in-place division walls. During a leak test on the outer two tanks, visible cracks were detected. These cracks, deemed non-structural for repair purposes, showed signs of dampness and minor leaks, emphasizing the need for immediate leaking crack repair. Pressure crack injection with a hydrophobic polyurethane expanding water stop foam utilizing an electric injection pump and mechanical injection packers was specified as the method of restoration.

The Repair Process

Materials Used: SealBoss 1570, SealBoss 15x
Additional Tools: SealBoss 13-60S packers, SealBoss 495 Injection Pump, Hammer Drill w/ 12” x ½” bit, PPE

For training purposes, a weeping crack was chosen for repair. This crack, though narrow, spanned about 10 feet in height and meandered across the wall. Given that the newly constructed wall was 14 inches thick, the repair strategy involved guiding the team to drill 5 to 7 inches out from the crack. The drilling was done at a 45-degree angle, aiming back towards the crack, employing the crack stitch method.

Depth of Intersection: The further the drill hole is from the crack, the deeper it will intersect the crack within the structure. This results in a more profound point of injection.

Considerations for Thicker Structures: A deeper injection point is often preferred in thicker structures. However, the length and reach of the drill bit play a crucial role in determining the optimal distance for the drill hole.

Avoiding Dead-End Drill Holes: A drill hole that misses the crack won’t facilitate the injection of the chemical grout into the structure. Such holes are termed “dead-end drill holes” and are ineffective for the purpose of grout injection.

In summary, while determining the spacing of drill holes, it is vital to balance the desired depth of injection with the capabilities of your drilling equipment to ensure effective grout injection.

To ensure precision, the placement was set parallel to the fissure. A 0.5-inch masonry bit, attached to a hammer drill, was used for the drilling process. Once the clean, crack-intersecting holes were established, SealBoss 13-60S heavy duty steel injection packers were installed.

The repair commenced from the bottom, progressing upwards. The SealBoss 495 injection pump, paired with the SealBoss 1570 NSF/ANSI/CAN 61 drinking water contact certified chemical grout, was used for the leaking crack repair. As the repair proceeded, water and material were observed exiting the substrate. This was a positive sign, indicating effective penetration and successful stopping of the water penetration and sealing of the crack.

Final Thoughts

Leaking crack repair is an essential aspect of maintaining the structural integrity of buildings and facilities. With the right knowledge, tools, and materials, such as those provided by SealBoss Corp., even the most challenging cracks can be effectively addressed. Whether you’re a contractor looking to expand your skill set or a facility manager aiming to maintain your structures, understanding the nuances of leaking crack repair is invaluable. Our SealBoss Water Stop Specialists are always ready to assist you.

Related Links