Vacuum any remaining dust or debris out of the hole.
How to fix concrete wall hole.
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.
Instead clean it out and choose an.
Mix a small portion.
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.
Clean the hole and surrounding area with a wire brush.
I used a soaked sponge to wet the bricks and mortar making it easier for the cement to get a good bond.
It provides much better adhesion and curing of the patch.
Clean the hole with a stiff fiber or wire brush.
Pop outs are small conical shape chunks of concrete that have popped out and left a hole behind.
The only way to repair foundation wall cracks successfully is by the injection process.
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.
Wet down the holes with water for best patch adhesion.
If you have a wet dry vacuum this is a great place to use it.
Use a hammer and chisel to remove loose concrete from the hole.
Always wear gloves when handling cement.
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.
Dampen the hole and surrounding area with water using a spray bottle.
To apply the cement i grabbed a good handful and worked it into the right shape breaking up any clumps.
This is important as most concrete products shrink as they cure and you want to prevent that as much as possible.
You can do this by holding the.
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.
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.
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.