How To Fix Concrete Wall Hole

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.

How to fix concrete wall hole.

Clean the hole with a stiff fiber or wire brush. The only way to repair foundation wall cracks successfully is by the injection process. To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete repair kit 60. This is important as most concrete products shrink as they cure and you want to prevent that as much as possible.

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 want the surface of the inside of the hole to. 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.

Smooth the edges of the patch around the hole. If possible make the bottom part of the hole slightly wider than the top part. Use a hammer and chisel to remove loose concrete from the hole. Always wear gloves when handling cement.

Dampen the hole and surrounding area with water using a spray bottle. It provides much better adhesion and curing of the patch. Instead clean it out and choose an. If the hole is already greater than 1 in 2 5 cm deep don t try to make it deeper.

Don t skimp on cost. 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. Apply the sticky side of the wall hole patch around the edges of the hole leaving at least a on each side of the hole. 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.

Vacuum any remaining dust or debris out of the hole. Mix a small portion. 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. Wet down the holes with water for best patch adhesion.

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.