Polyurethane is a fluid resin which is injected into concrete cracks, rock fissures, expansion joints and other voids in solid underground structures. To repair a crack embedded in the walls or foundations of your home, two products are very commonly used: flexible polyurethane and epoxy. When to use Epoxy. How a polyurethane crack injection is done. When a structural repair is required, conditions that cause the crack must be corrected prior to proceeding with the epoxy injection. Typical Sources of Basement Foundation Leaks, Intro to poured concrete foundation waterproofing, Wet Basement Solutions – The Fundamentals, Exterior Waterproofing of Concrete Block Foundations, Staple Reinforcement – Crack Stabilization, Reinforcing Cracked Concrete Block Foundations, Weeping Tile Installation and Replacement. Not all cracks leak, but all have … Polyurethane is a fluid resin which is injected into concrete cracks, rock fissures, expansion joints and other voids in concrete structures. It should be noted that in some instances epoxy crack injection is a better choice to repair foundation cracks; particularly structural foundation cracks. Structural restoration of concrete by epoxy injection is very often the only alternative to complete replacement. ARDEX RA 88 PLUS. Liquid epoxy or polyurethane sealant can be injected into cracks through injection points and allowed to cure before the injection points are removed and the … 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). When Tom’s Basement Waterproofing is mostly concerned about water entering your home or coming through your basement wall cracks, we will typically settle for polyurethane injections and foams. The difference between choosing polyurethane foam or epoxy to fix cracks in poured concrete foundation walls.  Waterproofing – polyurethane has water repellant properties. Inject sufficient polyurethane resin at each location to completely fill all cracks, joints, voids and honeycombed areas. 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. Process. Whether you’re dealing with a crack in your slab foundation, a sinking driveway, or a crack in a concrete wall, Ram Jack’s polyurethane resin injection is a quick, affordable solution. When it comes to cracks in your basement walls, fixing them isn’t just a one-size-fits-all solution. Foundation Crack Repair Methods - Epoxy vs. Urethane Injection. Polyurethane resins are hydrophobic, flexible and used for non-structural injection sealing and waterproofing voids, cracks and joints. What is the cost to seal a foundation crack? This kit features Emecole Metro 102 Premium Polyurethane, our most advanced polyurethane that we have been manufacturing and supplying for over 30 years. Polyurethane sets incredibly … More Info . After the polyurethane injection is complete, the polyurethane resin rapidly reacts with water to form a … 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. If structural crack repairs are required, use epoxy resin. Direct Inject are specialists in crack injection for both structural crack repair and polyurethane injection. When the chemical comes into contact with moisture it begins to react and solidify almost immediately which makes it ideal for actively leaking cracks or voids in the concrete wall. To fill a typical crack in a residential foundation wall, injecting at pressures above 40 psi may not be effecti… An injection point in the middle will fill the crack throughout. The polyurethane foams work for filling voids and sealing around pipes. 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. Filling the crack all the way to the outside soil is particularly important because when the urethane expands … The versatility, and consequently the popularity, of polyurethane resins for injection applications stems from polyurethane’s properties: Polyurethane crack injection in residential applications. Hydrophobic grout repels, has high expansion and cures rigid.  Flexible – allows for natural movement of concrete from thermal shrinkage and expansion. The polyurethane grout is injected under low pressure through or adjacent to a slab of foundation. Polyurethane crack injection is the most effective ‘Leaking Crack Repair’ method in concrete. 2. Polyurethane (PU) and Epoxy Injection are the two injection methods used for concrete crack repair in elements including insitu walls and footings, precast items, beams and columns, retaining walls and slabs. One of the determining factors in deciding to use polyurethane is if there is a concern about leakage from the back of a crack. More Info . Active/dynamic/live cracks can effectively be repaired with high-pressure polyurethane injection, which may be followed by installation of a joint-seal and protective coating or membrane. In general, the crack injection process usually requires some amount of tweaking based on the characteristics of the crack under repair. Polyurethane crack injection is without a doubt the most common waterstopping foundation crack repair method in use throughout the world. PU injection is an extremely affordable way of … Polyurethane is a fluid resin which is injected into concrete cracks, rock fissures, expansion joints and other voids in solid underground structures. Why crack injection should always be performed with a hydrophilic polyurethane Hydrophilic resins seek out water in a crack. REFINE BY: Brand. This gives us the assurance that the crack will be infiltrated to its end points and from one side to the other. 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. Address: 19420 B Ave Clark-Graham, Baie-d'Urfé, QC , H9X 3R8. Polyurethane crack injection is commonly used … 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 foam injection is ideal for filling wider cracks. When injected into concrete during a leak repair, within minutes the polyurethane undergoes a chemical transformation from a liquid to a solid. Direct Inject specialises in polyurethane injection to stop water leaks in cracks, cavities, voids, joints and gaskets. Used to stop water, to fill voids, hairline cracks and for soil stabilization. Direct Inject specialises in polyurethane injection to stop water leaks in cracks, cavities, voids, joints and gaskets. Polyurethanes are fast-setting, elastomeric, and most effective in sealing and waterproofing a crack that will be undergoing slight movement from seasonal temperature changes. Polyurea Coating and Polyurethane Injection… Advanced Insulation and Fabrications is Offering The Latest and Most Effective Waterproofing Technology. Injected polyurethane does not shrink or deteriorate over time. These cracks … ARDEX Injection T-Port. The popularity of polyurethane crack injection. Another benefit of their fast-setting foam attributes is that it expands and hardens within minutes of injection in the crack. Epoxy vs. Polyurethane Crack Injections . Hydrophilic (hydro meaning 'water', philic meaning 'has an affinity for') resins seek out water in a crack. Our premium polyurethane accommodates crack widths from hairline thin to 1/4″ wide. Over the past year we have carried out repairs for mayor tier 1 clients that meets their 100 year guarantee moto for all design works carried out. Polyurethane Crack Injection. The waterproofing contractor will first attach plastic injection ports to the crack at intervals along the length. If you need to repair cracks in your concrete foundation or floor … Apr 4, 2012 • By Matthew Stock. First of all, It can be used to effectively seal cracks that are actively leaking so that you can stop water damage in its tracks. Polyurethane crack injection is without a doubt the most effective leaking crack repair method in concrete. Call one of our representatives today or fill out our form for a free foundation repair quotation! This reduces the likelihood of it flowing out at the back. How does the Urethane Injection work? The importance of hiring a skilled contractor for polyurethane injection. Injection waterproofing is commonly used in residential basement waterproofing applications primarily because it is far less expensive than excavating a foundation and waterproofing the exterior foundation wall, and it is a very reliable waterstopping crack repair when done properly. The 100/800 Polyurethane expands on contact with water or moisture while sealing and expelling out water. It is demonstrated by installing metal mechanical injection ports at a 45-degree angle to the crack. Used to stop water, to fill voids, hairline cracks and for soil stabilization. Once inside the crack, it begins to foam and expand. Polyurethane Versus Epoxy Crack Injection. NextStar typically recommends an injection of polyurethane foam if the foundation wall crack is simply wet and leaking and … Cracks happen for a lot of reasons — foundation settling, external vibrations and over-saturation of the soil among them. These repairs help maintain safety and efficiency at your property. 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. Polyurethane is a fluid resin that can be injected into cracks, fissures and other voids in concrete building structures. Polyurethane crack injection is often performed at higher pressures to move the expanding foam through the cracks with special injection pumps and packers installed into drilled holes.. No digging or drilling. Polyurethane injection resins are designed to seal and repair foundation cracks; Eliminates water and air leaks from basement and crawlspace walls ; These foam seals are injected directly into a foundation crack; Once inside, the foam expands, completely filling and sealing the foundation crack; This effectively keeps water and insects out of your basement; Prevents future leaking, … Customer Review: Polyurethane Crack Injection for Concrete Slab Foundation Repair “Based on our extensive prior experience, we expected to use at least five to ten pails to stop this leak. Cures stronger than concrete; Ultra Low Viscosity - Offers deep penetration into cracks; Go to product. Polyurethane has several advantages over epoxy – it expands to fill the entire crack all the way to the outside of the wall, can be used when water is present and remains flexible when set so it doesn’t crack when minor wall movement occurs. Without a comprehensive understanding of the conditions that have to be met in order to successfully inject a crack, a technician will not be able to ensure that the crack repair will be long lasting. Epoxy injection protects rebar and stops water leakage. 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. Non-Structural Wet & Leaking Cracks - Polyurethane Concrete Crack Injection Kits. Concrete Crack Injection Repairs. This repair method works … 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. Polyurethane material is injected up to 4500 psi with this repair method. It is true that polyurethane is flexible while epoxy isn’t; however, the desirability for flexibility in an injected resin is not a given. Urethane injection, also known as polyurethane or grout, is the most common way to seal and fill a crack in concrete and foundations. Cracking is a common issue that occurs with poured foundations. Mountain Grout Flexible Code: INJFLEXERA/4. 0426 177 082 kevin@directinject.com.au Mon - Sat: 07.00 - 18.00 HOME; ABOUT US; SERVICES. There are several different options and factors that go into repairing concrete cracks. Single injection with Polyurethane resin; Multiple injection with microfine cement or acrylate gel; Specially suitable for difficult construction joint run; Recommended systems. Learn why that matters when sealing hairline cracks. This type of repair is most successful on solid poured concrete walls or suspended concrete slabs. This widespread use of polyurethane, sometimes referred to as urethane or grout, for concrete crack injection is a tribute to the inherent versatility of polyurethane in waterstopping applications. The following photo clearly illustrates the crack injection method. Do it right.” A Flexible Solution for Your Repair Needs. The popularity of urethane injection as a solution is due to its flexibility and versatility for a variety of applications. While the polyurethane injection process is simple in principle, most people (including waterproofers) do not appreciate the skill and aptitude that a contractor must have to successfully perform a polyurethane crack injection. The expanding foam completely fills the crack and prevents future water leaks. This method requires some patience, but it allows the applicator to monitor the injection process and ensure that the crack is completely filled. When a structural repair is required, conditions that cause the crack must be corrected prior to proceeding with the epoxy injection. With Alchemy Polymers material we were able to do the job with 1/10th of that amount. Green Mountain International 2 items; Size. Polyurethanes are fast-setting, elastomeric, and most …  Fills large cracks – polyurethane expands over 20 times its volume. Why polyurethane crack injection works. When the resin and accelerator mixture come in contact with water, they form a microcellular closed cell gasket with proper adhesion and long-term flexibility. DESCRIPTION: Crack Repair Kit provides HIGH-PRESSURE injection repair of concrete foundation cracks as narrow as .002", and repairs 8-12' of 8" thick poured foundation wall. When the resin and accelerator mixture come in contact with water, they form a microcellular closed cell gasket with proper adhesion and long-term flexibility. 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. Which is better? If the crack is damp and cannot be dried out, an … 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. Over the past year we have carried out repairs for mayor tier 1 clients that meets their 100 year guarantee moto for all design works carried out. The resin restores the original strength of the concrete. Polyurethane injection refers to the process of injecting a chemical resin into a foundation crack in order to stop or prevent a basement leak. When the resin and accelerator mixture come in contact with water, they form a microcellular closed cell … Or excavate the foundation and apply a membrane waterproofing corner to corner Combine both one and two options above. Low pressure (20-40 psi) allows the applicator to properly monitor the injection process. Polyurethane crack injection is without a doubt the most effective leaking crack repair method in concrete. Best concrete repair specialists services. This is because the liquid urethane fills the entire foundation crack. After all, a poured concrete foundation is unyielding except when it cracks. Urethane Crack Injection. The pressurized injection will fill the crack through the entire thickness of the foundation wall, keeping water outside the building envelope where it belongs. Polyurethane crack injection is a specialized methodology designed for sealing leaks through cracks, rock pockets, expansion and control joints in concrete structures. Foundation crack injection is commonly used in both residential (basement waterproofing) and commercial applications (parking garages). Polyurethane Crack Injection; Polyurethane Crack Injection. Polyurethane crack injection is without a doubt the most common waterstopping foundation crack repair method in use throughout the world. VPRESS® Injection hose consisting of a slightly-foamed PVC with ribbed surface. 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. For a comparison of the two injection methods click on the following hyperlink: epoxy vs polyurethane. Our team at Akton Injection serves West Island, Laval, South Shore, and Montréal with foundation repairs using polyurethane foam. Concrete crack injection with polyurethane foam is the best way to stop a foundation wall crack leak. It is demonstrated by installing metal mechanical injection ports at a 45-degree angle to the crack. Inject directly into cracks from inside of the basement. Avoid the use of excessive injection pressures. This is a picture of a polyurethane resin injection of a residential foundation crack. Polyurethane crack injection is perfect for leak sealing. Phthalate free (dbp free) Polyurethane grouts can be single or multi-component, and can require a reactant or react when encountering water. 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. Concrete walls will crack due to the release of water during the curing process (known as shrinkage) or because of settlement. 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. A typical repair requires an understanding of the environment and type of crack that the foundation repair contractor is trying to close and permanently seal. The expanding foam completely fills it and prevents future water leaks. 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. Continue injection … Polyurethane Crack Injection. Water activated, hydro-active, polyurethane two component water-stop injection foam in Cartridges expands up to 30-40 times. This begs the question, since poured concrete is extremely rigid, why is it so important for an injected resin to be flexible? They are easily injected into the crack to penetrate the structure, filling the cracks to re-establish the load bearing capacity and structural integrity. Cracks are commonly found near breaks in walls (such as windows and beam pockets) or in the middle of long walls uninterrupted by turns in the wall. Shop By. This widespread use of polyurethane, sometimes referred to as urethane or grout, for concrete crack injection is a tribute to the inherent versatility of polyurethane in waterstopping applications. Our epoxy- and polyurethane-based injection resins are used for structural crack repair. The two main forms of injections for repairing cracks are epoxy and polyurethane. 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 MasterInject technical support team is dedicated to helping customers make the right choice. The low pressure crack injection process was pioneered by our company. Their product will save our crews a lot of time and labor, and save the taxpayers of Orange County a lot of … There are numerous applications for polyurethane injection in commercial applications. Polyurethane injections are commonly conducted in underground parking garages, water treatment plants, basement foundation walls, structural … Polyurethane resin injections are not only flexible in that they mold to fill the exact shape … Due to the fact that the material is able to be injected at various pressures it is a virtually universal … Polyurethane injection can involve a crack flushing process to clean out the crack prior to injection. Multi-Purpose Epoxy Repair Adhesive. Polyurethane foam injection is the best way to stop an active foundation wall leak. Polyurethane Injection provides a permanent seal when properly injected into a crack. ECOPRESS. The grout then expands to fill the crack or void. This method requires some patience, but it allows the applicator to monitor the injection process and ensure that the crack is completely filled. Ever since poured concrete has been used to form foundation walls, cracks have been a main source of wall seepage. 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. Contrary to popular thought, one product is normally not better than the other. Mountain Grout Gel Foam Code: INJGELERA/4. Depending on the specific requirements of the job, crack repair by epoxy injection can restore structural integrity and reduce water … Polyurethane crack injection is used to stop the penetration of water through concrete. From repairs using Polyurea coating and Polyurethane Injection Waterproofing for cracks and stubborn leakages, to all kinds of waterproofing services, protective and anti corrosion coatings using a range of polyurethane … Different options and factors that Go into repairing concrete cracks, rock fissures, joints... Flexibility and versatility for a free foundation repair quotation to completely fill all cracks, joints and other voids concrete... 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