Apr, 2012 polyurethane crack injection is without a doubt the most common waterstopping foundation crack repair method in use throughout the world. 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 hydra stop 300 hydrophobic polyurethane expands inside the crack and fills it bottom to and inside to outside. Actaleak concrete crack repair kit, highpressure polyurethane foam injection. This expansion seals out water and creates a dry, safe environment. Radonseal doityourself foundation crack repair kits.
In fact, we were pioneers in applying polyurethane injection to residential poured concrete foundations cracks. Concrete foundation crack repair polyurethane expanding. However, the crack injection technique requires some practice for the repair to be effective. Sealboss 4000 line epoxy cartridge kit 12 cartridges incl. Twocomponent injection polymers are used by practically all waterproofing contractors because the material provides a.
Upon curing, it forms a flexible closed cell foam with excellent tensile and adhesion properties, that has good general chemical resistance. We also have larger kits that can repair leaks in concrete. This step helps to identify the characteristics of the crack to be injected. Includes hydra stop 300 injection foam, highpressure gun, brass packers, etc. Simpson strong tie 9oz crackpac flex h2o kit waccesories. The injection material needs to be able to penetrate this portion of the crack to ensure that entire crack is sealed.
Foundation crack repair concrete levelling wall cracks. 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. Concrete urethane injection systems offer a simple solution. Fastest, most durable and effective leak sealing solution. Polyurethane injection provides a permanent seal when properly injected into a crack by a professional waterproofing specialist like the basement waterproofing guy. 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. When the resin and accelerator mixture come in contact with water, they form a microcellular closed cell. For concrete crack injection applications consult deneef standard crack injection procedures. This method works for any hairline less than 2 or larger crack in a. The popularity of urethane injection as a solution is due to its flexibility and versatility for a variety of applications. Flushing alchemyspetecs mixmaster slab lifting gun. If swellseal wa is to be installed under water or during heavy rain, the concrete.
Always begin at the lowest pressure setting available on the pump and increase to the minimum pressure required to get desired resin flow. It may also be necessary to wait a few minutes for the material to fill the crack and travel to the next port. Mechanical packers, injection packers surface ports, lances, accessories. Why are epoxy or polyurethane injections a better option for. Polyurethane foam injection is the best way to stop an active foundation wall leak. 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. Our line of diy foundation crack repair kits uses the same twocomponent polyurethane or epoxy for injection as do our professional toolkits for contractors. Actaleak concrete crack highpressure urethane injection kit.
A cracked foundation is usually first noticed by wet carpet even the smell of mildew or mold. Crack injection for concrete basement walls the concrete. Sealboss offers a comprehensive selection of professional and proven injection and dispensing pumps to suit your needs. The less watersensitive polyurethanes are also suitable to strengthen the ground.
Polyurethane crack injection polyurethane foundation. Repair a single crack in a poured concrete foundation, up to 10 feet in length. Thats why our injection products are fastacting and easy to install. When polyurethane foam reacts with water, it expands up to 30 times its original size.
These include commercial and residential foundation or concrete crack repair. Cracks in the walls or ceiling, are fixed with a flexible hydro active polyurethane grout. Poxy paste tightly bonds to concrete to ensure there are no leaks or blowouts during the injection process. Crack injection highpressure and lowpressure injection. Fastset polyurethane concrete crack injection in a. Urethane injection, also known as polyurethane or grout, is the most common way to seal and fill a crack in concrete and foundations. Crack injection structural fractures are commonly repaired by pressure injection with high strength epoxies. How to repair foundation cracks using polyurethane foam injection. Sealboss 4000 quickseal epoxy sealpaste adhesive, 12 static mixers, 1 hand gun application tool. Foundation crack repair kit gives contractors a proven process and product to successfully complete the job. Crack repair epoxy and polyurethane products masterinject. Theyre pumped through injection ports or packers installed in the concrete. We strive to provide the most comprehensive packer selection in the industry.
Swellseal wa must be applied in an uninterrupted band minimum 38 bead, gunned in the middle of the joint or precast element. Deneef flotation foam is a two component low density rigid polyurethane foam for filling in various. 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. When combined with deneef pure polyurethane grouts and water, the system swells to seal cracks, joints, and annular spaces around pipe penetrations. Contractor polyurethane foundation crack repair kitseal. View avanti chemical grout being pumped into any concrete structure using the crack injection vpat method in order to stop water intrusion. 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. Among the leading high density polyurethane foam products available, ap lift 475 offers a powerful solution that is traffic ready in 15 minutes. Polyurethane crack injection want to fix your leaky. The injection is water activated so you have to get water in there somehow. The cost of epoxy and polyurethane crack injection repairs. This twocomponent, highstrength, highdensity, hydroinsensitive structural polyurethane foam supports 14,000 lbs per square foot. We maintain a very large inventory to meet customer preference, job requirements and to offer fastest delivery times. Suitable sealing materials may include hydraulic cement, epoxy bonders, polyester bonders, wooden shims, grout pads or backer rod, depending on site conditions.
This will flush out dust, debris and prime the crack for the injection resin and. Crackpac flexh2o polyurethane crack sealer simpson. Our epoxy and polyurethane based injection resins are used for structural crack repair. We recommend the use of pneumatic or electric 1component pumps. Injection equipment most polyurethane grout types are injected the same way. Whether on dry, moist or wet conditions, we have the appropriate resins. Yet, we have had to watch as continued structural movement and further concrete shrinkage have reopened cracks to leaks. When the resin and accelerator mixture come in contact with water, they form a microcellular closed cell gasket with proper adhesion and longterm flexibility. 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.
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. 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. 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. The expanding foam completely fills the crack and prevents future water leaks. Tb0055 standard application procedures for sealing leaking cracks or. Grout pump injection grouting pumps for soil stabilization.
The expanding polyurethane foam fills the basement wall crack from bottom to top. If it can fit inside of the thinnest part of the crack, use the flexkit100 or flexkit101 for a corner crack. Leaking crack repair using chemical grouts bureau of reclamation. 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. Mechanical packers and injection ports are the gateway to successful injection. Tb0056 chemical resistance of polyurethane foams technical bulletin. The plan was to inject grout so that a 1 to 3 foot zone of the crack was filled with grout to divert water. 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. 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.
Remove surface contaminants and debris to establish the pattern of the crack or. For injection grouts, epoxy resins and gels, single and two. Crackpac flexh 2 o polyurethane crack sealer, suitable for sealing cracks from 2 to 14 in width in concrete and solid masonry. Ha safefoam nf can be used as a 1component system for injection into moist conditions or as a 2component system with a 1. Drill holes of the correct diameter for the selected packer. Utilizing the low pressure crack injection process, the emecole metro 10 ft.
Also, they likely dont have insurance or expertise that comes with being in the foundation repair industry. This video shows how to perform a polyurethane concrete crack injection into an actively leaking concrete wall crack. Ground consolidation fastreacting and nonwatersensitive polyurea silicate systems quickly stabilize poor ground. Crackpac flexh2o is a high solids hydrophobic polyurethane injection resin designed to seal leaking cracks, voids or fractures in concrete or solid masonry. Repairs up to 20 ft of actively leaking and hairline crack repairs. This method requires some patience, but it allows the applicator to monitor the injection process and ensure that the crack is completely filled. Epoxy and polyurethane crack injection aquaguard injection. We offer a broad range of injection products, including specialized chemical grouts and epoxy grouts, cementbased grouts, microfine cement grouts and additives. 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. The system is ideal for pre injection sealing of openings or to stop flowing water prior to final injection of chemical grout. 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. 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.
Polyurethane injection most economical solution to basement leaks. The highfoaming version is excellent for void filling. Concrete cover must be at least 3 inches on all sides, in order to avoid cracks from the pressure of material swelling. Chemical grout literature powerhouse building solutions. Polyurethane crack injection is without a doubt the most common waterstopping foundation crack repair method in use throughout the world.
Sealboss complete pro starter kit with p2002 injection pump, 5 gallons 1510 polyurethane foam grout, 0. Polyurethane crack injection got water in your basement. Good dimensional stability and adhesion to concrete. 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. Structural crack repairs, in walls, foundations, pools epoxy crack injection, anchoring jobs contents. After curing ha safefoam nf forms an inert, flexible, close cell foam with very. 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. The masterinject technical support team from basf is dedicated to helping customers make the right choice. They are easily injected into the crack to penetrate the structure, filling the cracks to reestablish the load bearing capacity and structural integrity. The ecp polyurethane foams work for filling voids and sealing around pipes. During the injection water will first flow from the crack, followed by foaming resin.
Crack injection, void fill, and soil stabilization with polyurethane. Marine and underwater repairs underwater repairs require special attention to detail. Injection pressures vary from 250 to 3000 psi depending on crack width, concrete thickness, and concrete quality. We provide technical guidance on practical work applications for a variety of complex crack injection. Polyurethane injection can also be done at low pressure, exactly like an epoxy injection, or at high pressure typically 1500 3200 psi.
This program examined several polyurethane pu materials designed to seal small, leaking cracks. During injection the grout will follow the path of least resistance. The depth of the bore should be approximately half of the thickness of the concrete. Pregrout injection water flush pump water grout pumps not to be same pump. Twocomponent injection polymers are used by practically all waterproofing contractors because the material provides a superior repair that will last forever. Remedial waterproofing swellseal waterproofing new zealand. 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. Polyurethane foam injection is ideal for filling wider cracks. Diy concrete foundation crack repair kit polyurethane. Included with this kit is the poxy paste surface sealer and port adhesive.
Injecting sealant materials into wall cracks was a big breakthrough at the time. 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. This video shows the beginning stages of performing grout injection at an existing crack within a concrete foundation wall that has water infiltration issues. Tb0055 standard application procedures for sealing leaking. The right pump is determined by many factors including job size, product components and properties, injection volume and pressures, and your injection frequency. 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.