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.

Vacuum any remaining dust or debris out of the hole. Always wear gloves when handling cement. Clean the hole with a stiff fiber or wire brush. 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.

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. Mix a small portion. To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete repair kit 60. Smooth the edges of the patch around the hole.

Dampen the hole and surrounding area with water using a spray bottle. You want the surface of the inside of the hole to. The only way to repair foundation wall cracks successfully is by the injection process. 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.

It provides much better adhesion and curing of the patch. If possible make the bottom part of the hole slightly wider than the top part. Instead clean it out and choose an. Clean the hole and surrounding area with a wire brush.

If the hole is already greater than 1 in 2 5 cm deep don t try to make it deeper. If you have a wet dry vacuum this is a great place to use it. You can do this by holding the. This is important as most concrete products shrink as they cure and you want to prevent that as much as possible.

Pop outs are small conical shape chunks of concrete that have popped out and left a hole behind. 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. Use a hammer and chisel to remove loose concrete from the hole. Don t skimp on cost.

The injection process fills the crack from top to bottom from inside to outside. I used a soaked sponge to wet the bricks and mortar making it easier for the cement to get a good bond.