Polyurethane injections permanently repair foundation cracks. Filling the cracks reduces humidity and water vapor. Polyurethane also works great for filling voids or sealing leaks around pipe penetrations. Polyurethane foam injection is ideal for filling wider cracks and cracks that may exhibit signs of settling or movement from changing seasons or soil pressures. Polyurethane foam expands up to 20 times its original volume, sealing cracks shut. It is used to “weld” cracked concrete back together and restore the structural integrity of the cracked concrete. Polyurethane will expand up to 20 times its original volume, sealing shut cracks. Polyurethane foam can seal cracks to eliminate water and air leaks. Often, foundation wall cracks are the path water takes when your basement floods. Minor cracks may only cost a few hundred dollars, but the larger the crack, the more expensive the repair. The national average cost for crack injection is $4,500, while most projects range from $2,300 to $6,700. The cost is usually only a few hundred dollars depending on the size and length of the crack. Cost Depends on Size and Length of CrackĬrack injection is a fast repair and the cost is minimal. Many cracks can be injected and sealed with a polyurethane foam. Fear not though, it’s not the end of the world. Walking downstairs and noticing you have water seeping in through a crack in your wall is an awful feeling. A crack in your basement foundation is a serious problem, but it can be fixed.
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