Repairing Large Holes In Concrete Walls

Holes this large make that type of fix impractical.

Repairing large holes in concrete walls.

The only way to repair foundation wall cracks successfully is by the injection process. If the holes were smaller i would use hydraulic cement which actually slightly expands as it cures with about a 3 4 minute working time. If your aim is to make the wall look better a smooth surface is also easier to paint. Deep patch is solid concrete repair product for patching large holes in concrete surfaces.

Tap the chisel with a hammer and chip downward to the back wall of the block creating a larger. Patching such holes is a necessary part of keeping your concrete foundation wall in good repair. Concrete is is a lot coarser and includes large rocks and gravel. Or rather one very large thing.

If this is a retaining wall you need to fix the problem ont he other side of the wall first. You can use mortar mix to repair masonry but it is about 4 5x as expensive and the finish isn t that much nicer. Surecrete s solid cement filler is a single component just add water cement based chemical patching compound system providing a patch that goes from 1 8 0 32 cm and up. Concrete mix is similar to mortar mix the stuff i used to pour the floor of my shower but it is made up of sand and cement only.

For that size vertical hole you may need to brace a board over the hole to hold in the patch until it dries. To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete repair kit 60. 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. A huge hole in the cement wall that separates our garage from our basement.

How to fix a big hole in a cement wall when a posted a little while ago about sealing and patching holes in my garage i conveniently left one small thing out of the narrative. If this is just a wall above ground on both sides you can mix up some concrete patch and fill the hole back in.