Concrete basement walls can crack and then leak water. Tubes of liquid concrete repair lcr a viscous epoxy that comes in a caulk type cartridge and seven plastic. A foam will develop from the catalytic reaction between the water and the urethane.
how to fix a leaking crack in basement wall
Each kit contains a two part epoxy crack sealer two 10 oz.
How to fix a crack in basement wall. If outside repairs arent practical or affordable then a tear resistant liner can be installed inside to protect your basement from moisture seeping in. This video shows you how to repair a crack in a foundation wall that leaks. We repaired a foundation wall which had an 8 ft long crack that leaked water into the basement during periods of heavy rainfall. You cant handle this cracked wall by simply filling the crack and finishing off the basement.
Theres also a stair step crack on each end of the horizontal crack and the wall is bowed in about 1 in. Use an epoxy injection system for basement wall crack repair. It also shows you how to do crack injection on a cracked foundation wall. Cracks in block brick or stone cannot be injected because those walls are made up of many pieces much like a puzzle that are held together with mortar which is porous.
If you only had the stair step cracks you could go ahead with your basement finish work because that type of crack is a normal sign of settling. To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete repair kit 60. Cracks in these foundations are best repaired from the outside using a flexible trowel on elastomeric membrane. Allow the foam to fill the crack.
Start at the bottom of the crack and allow the urethane to fill the crack. An under floor drainage system also needs to be. Insert the mixer into the first injection port and begin slowly injecting the urethane. How to fix a leaking basement wall crack.
