When combined with deneef pure polyurethane grouts and water, the system swells to seal cracks, joints, and annular spaces around pipe penetrations. We offer a broad range of injection products, including specialized chemical grouts and epoxy grouts, cementbased grouts, microfine cement grouts and additives. These include commercial and residential foundation or concrete crack repair. The high pressure injection of activated polyurethane uses an electric injection pump and packers hammered into drilled holes through the crack in a poured concrete foundation wall. Crack injection, void fill, and soil stabilization with polyurethane. This expansion seals out water and creates a dry, safe environment. It may also be necessary to wait a few minutes for the material to fill the crack and travel to the next port. Included with this kit is the poxy paste surface sealer and port adhesive. When polyurethane foam reacts with water, it expands up to 30 times its original size. Foundation crack repair concrete levelling wall cracks. Contractor polyurethane foundation crack repair kitseal. Crack injection highpressure and lowpressure injection. Among the leading high density polyurethane foam products available, ap lift 475 offers a powerful solution that is traffic ready in 15 minutes.
View avanti chemical grout being pumped into any concrete structure using the crack injection vpat method in order to stop water intrusion. Polyurethane foam injection is ideal for filling wider cracks. Swellseal wa must be applied in an uninterrupted band minimum 38 bead, gunned in the middle of the joint or precast element. Suitable sealing materials may include hydraulic cement, epoxy bonders, polyester bonders, wooden shims, grout pads or backer rod, depending on site conditions. This video shows how to perform a polyurethane concrete crack injection into an actively leaking concrete wall crack. Twocomponent injection polymers are used by practically all waterproofing contractors because the material provides a. Before starting the injection, consult the technical data sheets and material safety data sheet msds in order to be familiar with the materials at hand. Tb0055 standard application procedures for sealing leaking. Cartridges polyurethane injection resin 120 and 121 pds 11103 cartridge systems polyurethane injection resins products 120 and 121 120 121 crack repair product name and description thermalchem polyurethane foam injection resins are twocomponent, low viscosity polyurethane resins that foam when combined with moisture. In fact, we were pioneers in applying polyurethane injection to residential poured concrete foundations cracks. Mechanical packers and injection ports are the gateway to successful injection. The injection material needs to be able to penetrate this portion of the crack to ensure that entire crack is sealed. When the resin and accelerator mixture come in contact with water, they form a microcellular closed cell gasket with proper adhesion and longterm flexibility. After curing ha safefoam nf forms an inert, flexible, close cell foam with very.
The expanding foam completely fills the crack and prevents future water leaks. The depth of the bore should be approximately half of the thickness of the concrete. This method works for any hairline less than 2 or larger crack in a. Preferably the holes should be drilled staggered around the crack to insure good coverage of the crack in case it is not perpendicular to the concrete surface. For injection grouts, epoxy resins and gels, single and two. Polyurethane injection provides a permanent seal when properly injected into a crack by a professional waterproofing specialist like the basement waterproofing guy. Repair a single crack in a poured concrete foundation, up to 10 feet in length.
Grout pump injection grouting pumps for soil stabilization. Good dimensional stability and adhesion to concrete. This will flush out dust, debris and prime the crack for the injection resin and. Polyurethane crack injection is a specialized methodology designed for sealing leaks through cracks, rock pockets, expansion and control joints in concrete structures. The system is ideal for pre injection sealing of openings or to stop flowing water prior to final injection of chemical grout. Simpson strong tie 9oz crackpac flex h2o kit waccesories. Crack injection for concrete basement walls the concrete. Spetec pur f400 is a solvent and phthalate free, water reactive, hydrophobic, closed cell, low viscosity, shrinkfree, flexible, onecomponent polyurethane injection resin designed to shut off water leaks. The popularity of urethane injection as a solution is due to its flexibility and versatility for a variety of applications. Apr, 2012 polyurethane crack injection is without a doubt the most common waterstopping foundation crack repair method in use throughout the world. Tb0055 standard application procedures for sealing leaking cracks or. Tb0056 chemical resistance of polyurethane foams technical bulletin. How to repair foundation cracks using polyurethane foam injection. Chemical grout literature powerhouse building solutions.
We recommend the use of pneumatic or electric 1component pumps. Ground consolidation fastreacting and nonwatersensitive polyurea silicate systems quickly stabilize poor ground. Also, they likely dont have insurance or expertise that comes with being in the foundation repair industry. Polyurethane injection can also be done at low pressure, exactly like an epoxy injection, or at high pressure typically 1500 3200 psi. Polyurethane crack injection got water in your basement. Polyurethane foam injection is the best way to stop an active foundation wall leak. We also have larger kits that can repair leaks in concrete. This twocomponent, highstrength, highdensity, hydroinsensitive structural polyurethane foam supports 14,000 lbs per square foot. Includes hydra stop 300 injection foam, highpressure gun, brass packers, etc. Always begin at the lowest pressure setting available on the pump and increase to the minimum pressure required to get desired resin flow.
Whether on dry, moist or wet conditions, we have the appropriate resins. Leaking crack repair using chemical grouts bureau of reclamation. Sealboss complete pro starter kit with p2002 injection pump, 5 gallons 1510 polyurethane foam grout, 0. This video shows the beginning stages of performing grout injection at an existing crack within a concrete foundation wall that has water infiltration issues. Marine and underwater repairs underwater repairs require special attention to detail. Injection equipment most polyurethane grout types are injected the same way. Cracks in the walls or ceiling, are fixed with a flexible hydro active polyurethane grout. Pregrout injection water flush pump water grout pumps not to be same pump.
Urethane injection, also known as polyurethane or grout, is the most common way to seal and fill a crack in concrete and foundations. The masterinject technical support team from basf is dedicated to helping customers make the right choice. Sealboss 4000 quickseal epoxy sealpaste adhesive, 12 static mixers, 1 hand gun application tool. Injection pressures vary from 250 to 3000 psi depending on crack width, concrete thickness, and concrete quality. During the injection water will first flow from the crack, followed by foaming resin. Repairs up to 20 ft of actively leaking and hairline crack repairs. Deneef flotation foam is a two component low density rigid polyurethane foam for filling in various. Until recently, this technique has traditionally been used in in commercial and civil projects, but as the technology is more readily available the use of polyurethane foam. The injection is water activated so you have to get water in there somehow. Upon curing, it forms a flexible closed cell foam with excellent tensile and adhesion properties, that has good general chemical resistance. Drill holes of the correct diameter for the selected packer. Radonseal doityourself foundation crack repair kits.
Ha safefoam nf can be used as a 1component system for injection into moist conditions or as a 2component system with a 1. Deneef cut pure is a hydrophobic polyurethane that, when mixed with cut cat pure and makes contact with water, is designed to fill large voids in rock fissures, gravel layers, joints and cracks in concrete structures and for the cutoff of gushing water. Nov 07, 2014 this video shows the beginning stages of performing grout injection at an existing crack within a concrete foundation wall that has water infiltration issues. Concrete cover must be at least 3 inches on all sides, in order to avoid cracks from the pressure of material swelling. The highfoaming version is excellent for void filling. When the resin and accelerator mixture come in contact with water, they form a microcellular closed cell. Concrete foundation crack repair polyurethane expanding. If swellseal wa is to be installed under water or during heavy rain, the concrete. Actaleak concrete crack repair kit, highpressure polyurethane foam injection.
Utilizing the low pressure crack injection process, the emecole metro 10 ft. How polyurethane injection works first, we drill holes into the wall about 4 deep on one side of the crack and on an angle so when the hole crosses through the crack it does so. Nobody plans for a leak, so when one occurs it usually represents a cost overrun and a setback for a construction project. Crackpac flexh 2 o polyurethane crack sealer, suitable for sealing cracks from 2 to 14 in width in concrete and solid masonry. Crack repair epoxy and polyurethane products masterinject. Crack injection structural fractures are commonly repaired by pressure injection with high strength epoxies. 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.
During injection the grout will follow the path of least resistance. Why are epoxy or polyurethane injections a better option. The lowpressure injection method involves inserting a liquid at a very low pressure into a narrow crack more than 116. Injecting sealant materials into wall cracks was a big breakthrough at the time. They are easily injected into the crack to penetrate the structure, filling the cracks to reestablish the load bearing capacity and structural integrity. This program examined several polyurethane pu materials designed to seal small, leaking cracks.
Diy concrete foundation crack repair kit polyurethane. Polyurethane crack injection polyurethane foundation. The ecp polyurethane foams work for filling voids and sealing around pipes. Twocomponent injection polymers are used by practically all waterproofing contractors because the material provides a superior repair that will last forever. The right pump is determined by many factors including job size, product components and properties, injection volume and pressures, and your injection frequency. Polyurethane injection most economical solution to basement leaks. Epoxy and polyurethane crack injection aquaguard injection.
Slab lifting, cold foam lifting, soil stabilization. A cracked foundation is usually first noticed by wet carpet even the smell of mildew or mold. Theyre pumped through injection ports or packers installed in the concrete. Fastset polyurethane concrete crack injection in a. Polyurethane crack injection want to fix your leaky. Structural crack repairs, in walls, foundations, pools epoxy crack injection, anchoring jobs contents. Due to the ultra low viscosity of the superflex ar resin, larger cracks may require application of a surface seal such as hydraulic cement or epoxy. Flushing alchemyspetecs mixmaster slab lifting gun. When the material has stopped penetrating it will continue to expand against the limits of the confined space and compress within itself, forming a dense, closed cell foam. For concrete crack injection applications consult deneef standard crack injection procedures. Our line of diy foundation crack repair kits uses the same twocomponent polyurethane or epoxy for injection as do our professional toolkits for contractors. The crack pac flexh 2 o polyurethane injection resin seals leaking cracks, voids or fractures from 2 to 14 wide in concrete or solid masonry. Flex lv pure grout expands on contact with water and quickly cures to a tough, flexible foam that is resistant to most organic solvents, mild acids, alkali, petroleum and microorganisms. 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.
We provide technical guidance on practical work applications for a variety of complex crack injection. Designed to perform in applications where water is seeping or mildly leaking from the crack, the polyurethane is packaged in the cartridge and an accelerator is packaged in the nozzle. Highpressure injection at 250 psi 100 psi psi utilises injection packers which are typically placed in holes drilled at 45 degrees to intersect the interior of the crack. Yet, we have had to watch as continued structural movement and further concrete shrinkage have reopened cracks to leaks. The expanding polyurethane foam fills the basement wall crack from bottom to top. Polyurethane crack injection is without a doubt the most common waterstopping foundation crack repair method in use throughout the world.
Rcf polyurethane injection expanding foam is a twocomponent, low viscosity, selfexpanding polyurethane foam designed for sealing cracks in structural materials including concrete, masonry and wood through low pressure, gravity feeding injection. Remove surface contaminants and debris to establish the pattern of the crack or. We maintain a very large inventory to meet customer preference, job requirements and to offer fastest delivery times. Our epoxy and polyurethane based injection resins are used for structural crack repair. The plan was to inject grout so that a 1 to 3 foot zone of the crack was filled with grout to divert water. Crackpac flexh2o polyurethane crack sealer simpson. Concrete urethane injection systems offer a simple solution. The cost of epoxy and polyurethane crack injection repairs. Injection tips for crack pac flexh2o crack sealer for narrow cracks, it may be necessary to increase the pressure gradually until the polyurethane begins to flow. Actaleak concrete crack highpressure urethane injection kit. Poxy paste tightly bonds to concrete to ensure there are no leaks or blowouts during the injection process.
The less watersensitive polyurethanes are also suitable to strengthen the ground. Deneef cut pure is a hydrophobic polyurethane designed to fill large voids in rock fissures, gravel layers, joints, and cracks in concrete structures and for the cutoff of gushing water. We strive to provide the most comprehensive packer selection in the industry. Thats why our injection products are fastacting and easy to install. If it can fit inside of the thinnest part of the crack, use the flexkit100 or flexkit101 for a corner crack. Sealboss offers a comprehensive selection of professional and proven injection and dispensing pumps to suit your needs.
Why are epoxy or polyurethane injections a better option for. Remedial waterproofing swellseal waterproofing new zealand. Foundation crack repair kit gives contractors a proven process and product to successfully complete the job. The hydra stop 300 hydrophobic polyurethane expands inside the crack and fills it bottom to and inside to outside.
408 727 605 1080 1120 1589 349 1057 1105 1584 445 967 294 1115 1111 959 1561 669 903 899 1502 89 759 1011 1285 819 256 919 233 584 344 461 587 1361 1134 1397 1278 443 951 696 1382 1120 583 593 68 392 1460 936 844