3 fill the crack with patching mix also know as vinyl concrete patching mix is made from vinyl portland cement and sand.
Patch a wall with concrete.
For small patching jobs use a pre mixed concrete patch.
If you use a ready mix concrete patch all you need to add is water.
Once you have a good sticky surface for the concrete simply add water to premixed concrete and patch the crack.
It covers cracks up to 1 2 inch wide.
Fill the crack completely and tamp the patch.
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As the concrete settles scrape the surface with a trowel.
The injection process fills the crack from top to bottom from inside to outside.
Use a wire brush check on amazon to brush both ends of the walls and then try a vacuum pump to suck out all debris in between the crack.
Dampen the area around the crack and then trowel on the mix.
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The only way to repair foundation wall cracks successfully is by the injection process.
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.