Crack Injection & Curtain Wall Systems

Crack Injections

Concrete Crack Injection Services Toronto

At Nusite Group, we specialize in commercial crack injection services for repairing cracks in concrete structures throughout Toronto and the GTA. Cracks in concrete can lead to serious issues such as water infiltration, structural weakening, and safety hazards. Whether it’s a minor crack or a significant structural issue, our injection repair services provide an effective solution for preventing water leaks and reinforcing the integrity of your concrete structures.

Our injection process involves injecting specialized resins, such as epoxy or polyurethane, directly into the cracks. This seals the crack, blocks water ingress, and strengthens the surrounding material. This method is highly effective for foundation repair, as it prevents further deterioration of the structure while addressing leaks and other damage. Our experienced team serves a wide range of commercial properties, ensuring that each project is completed to the highest standard. Whether you’re dealing with cracks in parking garages, basements, or other concrete structures, Nusite Group offers long-lasting solutions across Toronto and the GTA.

Crack Injection Systems

Purpose: Crack injection is a vital repair method for addressing cracks in concrete structures, commonly found in commercial properties such as office buildings, parking garages, industrial facilities, and more. These cracks can form due to various factors, including natural settling, temperature changes, or structural stress. If left untreated, cracks allow water to seep into the concrete, causing further damage such as corrosion of reinforcing steel, weakening of the structure, and even potential safety hazards. Crack injection serves the essential purpose of sealing these cracks, preventing water ingress, reinforcing the structure, and restoring its overall integrity. By addressing cracks early, property owners can extend the lifespan of their building and avoid costly repairs down the line.

Types of Systems:

Epoxy Injection Systems: Epoxy crack injection is ideal for repairing structural cracks in concrete. This method involves injecting epoxy resins into the cracks, which are known for their high strength and bonding properties. Once cured, the epoxy creates a rigid and permanent bond between the two sides of the crack, effectively restoring the concrete’s original strength. This makes it an excellent solution for repairing cracks in load-bearing or high-stress areas of a building. In addition to sealing the crack, epoxy resins provide added reinforcement, ensuring the structure remains solid and stable over time. Epoxy injection is particularly useful for cracks that are dry and require structural restoration rather than flexibility.

Polyurethane Injection Systems: For cracks that are actively leaking or subject to movement, polyurethane injection is the preferred method. Polyurethane resins are injected into the cracks, where they expand to fill the voids and create a flexible, watertight seal. Unlike epoxy, which hardens and becomes rigid, polyurethane remains flexible even after curing. This flexibility allows the seal to move with the structure, accommodating shifts or settling over time without compromising the waterproof barrier. Polyurethane injection is especially effective in areas exposed to moisture, such as foundations, parking structures, or areas below grade, where water infiltration is a common concern.

How They Work: Both epoxy and polyurethane injection systems follow a similar process but offer different benefits based on the specific needs of the crack. The process begins by drilling small holes into the concrete along the length of the crack. These holes serve as entry points for the resin to be injected. The resin—whether epoxy or polyurethane—is then injected under pressure, ensuring it penetrates the entire crack. This pressure injection method ensures that the resin fills every void, fully sealing the crack and preventing water from penetrating the concrete.

Curtain Wall Injection Systems

Purpose: Curtain wall injection is a critical solution for repairing and waterproofing curtain walls, which are non-structural exterior walls typically made of glass, aluminum, or other lightweight materials. These walls serve as the outer protective layer of many commercial buildings, creating a barrier between the interior and exterior environments. Over time, weather exposure, temperature fluctuations, and structural movement can cause gaps and cracks to form in the joints of curtain walls, leading to water infiltration. If left untreated, this can result in significant damage to both the building’s exterior and interior. Curtain wall injection systems are designed to prevent these issues by sealing the joints and gaps, thus ensuring the building envelope remains intact and functional.

Types of Systems:

Silicone Injection Systems: Silicone-based sealants are widely used for curtain wall repairs due to their flexibility and durability. Silicone injection systems are designed to fill gaps and joints in the curtain wall system, providing a watertight seal that prevents moisture from entering the building. Silicone has excellent adhesion properties, making it ideal for sealing around materials such as glass and aluminum. It also remains flexible over time, allowing it to accommodate building movements caused by wind, temperature changes, and settling, without losing its waterproofing capabilities. This ensures that the curtain wall remains sealed and protected, even in fluctuating environmental conditions.

Acrylic Injection Systems: Acrylic-based sealants are another effective option for curtain wall waterproofing. Like silicone, acrylic sealants are injected into the gaps and joints of the curtain wall, forming a waterproof barrier. Acrylic injections are known for their versatility, as they can adhere to a variety of surfaces, including glass, metal, and masonry. While they may not offer the same level of flexibility as silicone, acrylic sealants provide strong waterproofing properties and are resistant to UV degradation, making them suitable for long-term outdoor use. Acrylic injections are a cost-effective solution for maintaining the integrity of the curtain wall and preventing water intrusion.

How They Work: The process of curtain wall injection involves injecting the selected sealant material—either silicone or acrylic—into the joints and gaps within the curtain wall system. This is typically done using specialized equipment to ensure precise application. The sealant is injected under pressure, allowing it to fully penetrate and fill the gaps. Once injected, the sealant adheres to the surrounding surfaces, including glass, aluminum, or other materials. As the sealant cures, it forms a flexible, durable, and waterproof barrier that prevents water from seeping through the joints. This process is not only essential for protecting the building from moisture damage but also helps maintain the overall structural integrity of the curtain wall system by preventing further wear and tear. Properly executed curtain wall injection can significantly extend the lifespan of the building’s exterior, ensuring that it remains both functional and aesthetically pleasing for years to come.

Learn More

Selecting the right waterproofing contractors in Southern Ontario is crucial for the longevity and safety of your project/property. Nusite Contractors Stands out by specializing in all types of foundation waterproofing applications from all the major manufacturers. Understanding the intricacies of basic to the most complex projects we are committed to delivering services that often exceed the manufacturer standards for installation.

Our teams are dedicated to assist in the design process assisting in material selections based on weather, budget and timing constraints. We also offer services assisting in project budgeting for new developments or restoration projects.

We recognize that completing projects within time and budget constraints ensuring minimal disruption to your operations. With Nusite Contractors Ltd. you’re partnering with a team that prioritizes excellence in every waterproofing endeavour.

Commercial & Industrial Applications

Crack injection systems are essential for a wide range of commercial and industrial applications. These systems provide a long-lasting and durable solution to repair cracks, prevent water infiltration, and reinforce structural integrity. They are commonly used in various types of structures where concrete cracking and water ingress pose significant risks to the building’s functionality and safety.

Here are some of the key commercial and industrial structures where crack injection systems can be effectively applied:

Office Buildings: Ensuring structural integrity and preventing water damage in basements, foundations, and parking garages.
Parking Structures: Sealing cracks to prevent water ingress that can lead to concrete deterioration and reinforcement corrosion.
Industrial Warehouses: Repairing cracks in large floor slabs and structural components to maintain operational safety and functionality.
Manufacturing Plants: Protecting concrete foundations and walls from water damage that could affect the facility’s operations.
Retail Complexes: Maintaining the aesthetic and structural integrity of storefronts, basements, and parking areas.
Hospitals and Healthcare Facilities: Ensuring water-tight structures that protect sensitive environments from moisture intrusion.
Educational Institutions: Repairing and reinforcing cracks in school buildings, campuses, and recreational facilities.
Hotels and Hospitality Venues: Preventing water damage in high-traffic areas like lobbies, parking garages, and service areas.
Stadiums and Arenas: Maintaining structural integrity in high-capacity buildings exposed to significant wear and tear.
Government Buildings: Ensuring long-lasting structural performance and preventing costly repairs from water ingress.
Transportation Hubs: Sealing cracks in train stations, bus terminals, and airport facilities to prevent water damage.
Food Processing Facilities: Preventing water infiltration in sensitive areas to maintain hygiene and safety standards.

Crack injection systems provide a reliable, durable, and long-lasting solution for all of these structures, ensuring that they remain safe, functional, and protected from further damage.

COMMERCIAL & INDUSTRIAL WATERPROOFING AND FOUNDATION CRACK REPAIR IN TORONTO

Nusite Group specializes in providing expert waterproofing and foundation crack repair services for commercial and industrial properties in Toronto. Cracks in foundations and other structural components can lead to serious issues, including water ingress, which compromises the building’s integrity. Our team of experienced waterproofing contractors ensures that your property is protected from these risks with long-lasting solutions that effectively repair and waterproof your structure.

We offer comprehensive foundation crack repair services designed to seal and reinforce cracks in concrete, preventing water infiltration and restoring the structural integrity of your building. Whether your property requires a targeted crack repair or a complete waterproofing and foundation solution, our team uses advanced techniques and materials to ensure durable results. By addressing cracks early, we help you avoid costly repairs and extend the lifespan of your commercial or industrial facility.

Our Clients Are

Construction Managers

Project Managers

Property Managers

Asset Owners

Cooperatives

Government and ICI

Architects

Consulting Engineers

Manufacturers

FAQ

Does Injection Waterproofing Work?

Yes, injection waterproofing is a highly effective method for sealing cracks in concrete structures, preventing water infiltration, and reinforcing the building’s integrity. By injecting specialized resins, such as epoxy or polyurethane, directly into the cracks, the material bonds with the surrounding concrete, forming a watertight seal. This process not only blocks water from entering but also strengthens the structure. Injection waterproofing is commonly used in commercial and industrial buildings, especially in basements, foundations, and parking structures. For property owners in Toronto, injection waterproofing provides a durable, long-lasting solution to water damage issues.

Does Polyurethane Crack Injection Work?

Polyurethane crack injection is a reliable and proven method for sealing cracks in concrete, particularly when dealing with active leaks or cracks that may continue to shift due to building movement. The polyurethane resin expands upon injection, filling voids and creating a flexible, waterproof seal. This flexibility allows it to adapt to any future movement in the structure, making it ideal for areas prone to water ingress, such as foundations and basements. Polyurethane crack injection is widely used in Toronto and is highly effective in both commercial and industrial waterproofing applications.

What Are the Advantages of Epoxy Injections?

Epoxy injections offer several key advantages, particularly for structural crack repair in concrete. These include:

High strength: Epoxy resin bonds tightly to the surrounding concrete, restoring the structure’s original strength and integrity.
Durability: Epoxy creates a rigid, permanent seal that prevents further deterioration of the concrete.
Versatility: Epoxy injections are suitable for a wide range of applications, from foundation crack repair to large structural repairs.
Prevention of further damage: By reinforcing the structure and sealing cracks, epoxy injections prevent water ingress, which can cause rusting of rebar and other long-term damage.

Epoxy injections are especially effective for structural repairs where reinforcing the concrete is essential.

How Long Does Crack Sealing Last?

Crack sealing, when done correctly, can last for many years, often providing a long-lasting and durable solution. The longevity of crack sealing depends on the method and material used. Epoxy and polyurethane injections can offer a lifespan of 10 to 20 years or more, depending on factors like the environment, level of movement in the structure, and exposure to water. Regular maintenance and inspection can help ensure the crack sealing remains effective and prolongs the structure’s durability, particularly in commercial and industrial settings where constant water exposure is a concern.

What Is the Difference Between Epoxy Injection and Polyurethane Injection?

The primary difference between epoxy injection and polyurethane injection lies in their intended uses and material properties:

Epoxy Injection: This method is ideal for structural crack repair. Epoxy hardens into a rigid material, restoring the concrete’s strength and reinforcing the structure. It’s best used for dry cracks that require a permanent, strong bond.
Polyurethane Injection: Polyurethane is more suited for waterproofing and sealing active leaks. It expands upon injection, creating a flexible, watertight seal. This flexibility allows it to accommodate any future movement in the structure, making it ideal for areas prone to shifting or moisture, such as basements and foundations.

Both methods are highly effective, but the choice depends on whether the priority is structural reinforcement (epoxy) or waterproofing and flexibility (polyurethane).