How To Fix Concrete Wall Hole

Mix a small portion.

How to fix concrete wall hole.

Tip if you are having trouble getting the wall patch to stick try wetting it slightly with a wet sponge or a using a spray bottle filled with water. You can do this by holding the. If you have a wet dry vacuum this is a great place to use it. The injection process fills the crack from top to bottom from inside to outside.

If possible make the bottom part of the hole slightly wider than the top part. This is important as most concrete products shrink as they cure and you want to prevent that as much as possible. To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete repair kit 60. Just before filling each hole with the expanding concrete repair product use an old spray bottle and spritz the hole with a spray of clean water.

Instead clean it out and choose an. To apply the cement i grabbed a good handful and worked it into the right shape breaking up any clumps. Use an epoxy injection system for basement wall crack repair we repaired a foundation wall which had an 8 ft long crack that leaked water into the basement during periods of heavy rainfall. I used a soaked sponge to wet the bricks and mortar making it easier for the cement to get a good bond.

Pop outs are small conical shape chunks of concrete that have popped out and left a hole behind. Use a hammer and chisel to remove loose concrete from the hole. Don t skimp on cost. The only way to repair foundation wall cracks successfully is by the injection process.

Vacuum any remaining dust or debris out of the hole. Always wear gloves when handling cement. Injecting a typical wall crack with an epoxy or urethane resin is done under pressure pushing the material from the inside all the way to the outside. You want the surface of the inside of the hole to.

Dampen the hole and surrounding area with water using a spray bottle. Clean the hole with a stiff fiber or wire brush. Using a cold chisel and a 3 pound sledgehammer undercut the hole by making the pop out wider at the bottom than at the top. Smooth the edges of the patch around the hole.

It provides much better adhesion and curing of the patch. If the hole is already greater than 1 in 2 5 cm deep don t try to make it deeper.