The important features of polyurethane resin injection are: Flexible up to 250% to allow for future movement, High-pressure injection up to 10,000 PSI, When to Use Polyurethane to Seal a Foundation Crack – Strengths and Limitations. To repair a crack embedded in the walls or foundations of your home, two products are very commonly used: flexible polyurethane and epoxy. Pressure injection of these liquid polyurethane resins forces the material into leaking cracks or behind leaking walls depending on the application. Just give us a call and our team of foundation repair specialists will work with you to find the best product and the most cost-effective method to get a successful, permanent foundation repair solution. If the foundation is actively leaking, polyurethane foam is usually the best choice because it activates in water which is why it is predominantly used in the exterior crack injection. This is effective in solving water leakage issues, especially when applied on the underside of the seepage area or the lower floor ceiling where the leak occurs. Their low viscosity allows good penetration into the concrete structure to seal leaks and achieve a durable elastic seal. Fills large cracks – polyurethane expands over 20 times its volume. In general, the crack injection process usually requires some amount of tweaking based on the characteristics of the crack under repair. Polyurethane sets incredibly … An injection point in the middle will fill the crack throughout. The 100/800 Polyurethane expands on contact with water or moisture while sealing and expelling out water. There are several different options and factors that go into repairing concrete cracks. © FIX YOUR WATERY BASEMENT. Hydrophilic (hydro meaning 'water', philic meaning 'has an affinity for') resins seek out water in a crack. ALL RIGHTS RESERVED. Shop By. As your foundation contractor, Akton Injection can properly evaluate the needs of your home and use the appropriate product like: Concrete epoxy injection is a system for welding cracks back together using an epoxy resin. Our premium polyurethane accommodates crack widths from hairline thin to 1/4″ wide. It is demonstrated by installing metal mechanical injection ports at a 45-degree angle to the crack. This is because the liquid urethane fills the entire foundation crack. Waterproofing – polyurethane has water repellant properties. Their product will save our crews a lot of time and labor, and save the taxpayers of Orange County a lot of … When speaking with sales representatives from basement waterproofing companies many homeowners are told that polyurethane crack injections are superior to epoxy crack injections because cured polyurethane is flexible and epoxy is not. Epoxies only work in a dry environment. Polyurethane crack injection is a specialized methodology designed for sealing leaks through cracks, rock pockets, expansion and control joints in concrete structures. The widespread use of polyurethane, sometimes referred to as urethane or grout, for concrete crack injection is a tribute to the inherent versatility of low viscosity polyurethane injection resins for leak sealing applications. The grout then expands to fill the crack or void. Polyurethane crack injection is a specialized methodology designed for sealing leaks through cracks, rock pockets, expansion and control joints in concrete structures. This type of repair is most successful on solid poured concrete walls or suspended concrete slabs. Polyurethane Crack Injection. Polyurethane Crack Injection Typically, polyurethane is used for non-structural cracks such as vertical and diagonal cracks less than a quarter of an inch wide. Why polyurethane crack injections are recommended over an epoxy crack injections. Polyurethane grouts can be single or multi-component, and can require a reactant or react when encountering water. As no excavation is required, the cost of this type of waterproofing repair is 1/3 of the cost of excavating the foundation and waterproofing the crack from the outside. More Info . It is demonstrated by installing metal mechanical injection ports at a 45-degree angle to the crack. Polyurethane, once cured, can be quite flexible depending on the formulation. Non-Structural Wet & Leaking Cracks - Polyurethane Concrete Crack Injection Kits. Mountain Grout Gel Foam Code: INJGELERA/4. Not to mention the resin can expand to fill voids that are invisible to the eye, preventing future leaks before they've even started. ECOPRESS. Cures stronger than concrete; Ultra Low Viscosity - Offers deep penetration into cracks; Go to product. Polyurethane crack injection is commonly used … Water activated, hydro-active, polyurethane two component water-stop injection foam in Cartridges expands up to 30-40 times. Contrary to popular thought, one product is normally not better than the other. Injected polyurethane does not shrink or deteriorate over time. With Alchemy Polymers material we were able to do the job with 1/10th of that amount. Leaking concrete structures can be permanently repaired with concrete crack injection & curtain wall procedures using water-activated polyurethane foam. NextStar typically recommends an injection of polyurethane foam if the foundation wall crack is simply wet and leaking and poses no structural risk to the foundation. Foundation Crack Repair Methods - Epoxy vs. Urethane Injection. There are numerous applications for polyurethane injection in commercial applications. PU injection, also polyurethane grouting or injection, is a waterproofing technique that uses expanding injected polyurethane to prevent water flowing through and voids or cracks typically in concrete. This technique aims to insert the polyurethane injection from the middle of the crack. Low-Viscosity Rigid Hybrid Polyurethane Crack & Spall Repair. After the polyurethane injection is complete, the polyurethane resin rapidly reacts with water to form a … Water activated, hydro-active, polyurethane two component water-stop injection foam in Cartridges expands up to 30-40 times. The secret to effective crack injection, whether using epoxies or polyurethane foams, is gradual introduction of the liquid polymer into the crack at low pressures (20 to 40 psi). Polyurethane is a water-stopping chemical. Flexible – allows for natural movement of concrete from thermal shrinkage and expansion. The secret to effective crack injection waterproofing, whether epoxy or polyurethane foam, is low-pressure introduction of the liquid polymer into the crack. The expanding foam completely fills it and prevents future water leaks. Polyurethane is a fluid resin which is injected into concrete cracks, rock fissures, expansion joints and other voids in solid underground structures. The resin restores the original strength of the concrete. Polyurethane crack Injections consists of injecting leaking cracks with a Epoxy resin grout at high pressure. The waterproofing contractor will first attach plastic injection ports to the crack at intervals along the length. This technique aims to insert the polyurethane injection from the middle of the crack. These repairs help maintain safety and efficiency at your property. Structural restoration of concrete by epoxy injection is very often the only alternative to complete replacement. Mountain Grout Flexible Code: INJFLEXERA/4. In this picture, a crack in a very high poured concrete slab is being injected so that water on the factory floor above cannot leak onto the level below. No digging or drilling. If structural crack repairs are required, use epoxy resin. Once inside the crack, it begins to foam and expand. Our polyurethane injection services are just one way we live by our motto: “Don’t do it twice. When used in concrete crack injection applications the polyurethane is injected into a crack; within minutes the polyurethane undergoes a chemical transformation from a liquid to a solid. Polyurethane crack injection is without a doubt the most effective leaking crack repair method in concrete. Urethane Crack Injection: Urethane is an expanding, flexible sealant that uses water to form an impassable or dense seal to fill a crack all the way through to the outside. Check out this video to view a polyurethane crack injection in progress: Epoxy crack injection – a true foundation crack repair, The cost of basement leak repairs and waterproofing in the GTA. Also with 10 mm inner-Ø for special requirements and overlength up to 30 m Good locking into concrete. Used to stop water, to fill voids, hairline cracks and for soil stabilization. When injected into concrete during a leak repair, within minutes the polyurethane undergoes a chemical transformation from a liquid to a solid. How does the Urethane Injection work? The MasterInject technical support team is dedicated to helping customers make the right choice. Polyurethane foam injection is the best way to stop an active foundation wall leak. The widespread use of polyurethane, sometimes referred to as urethane or grout, for concrete crack injection is a tribute to the inherent versatility of low viscosity polyurethane injection resins for leak sealing applications. Cracks: Epoxy or flexible polyurethane injection. Address: 19420 B Ave Clark-Graham, Baie-d'Urfé, QC , H9X 3R8. This repair method works … For membrane installation in areas of the country with frost, it must wrap around a corner to prevent freeze and thaw action pushing the membrane off over time. The low pressure crack injection process was pioneered by our company. When the resin and accelerator mixture come in contact with water, they form a microcellular closed cell … This method requires some patience, but it allows the applicator to monitor the injection process and ensure that the crack is completely filled. To repair a crack embedded in the walls or foundations of your home, two products are very commonly used: flexible polyurethane and epoxy.During a repair, the technician either carries out their work with a flexible polyurethane injection or an epoxy injection into the crack to seal and waterproof the foundation. 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