Repairing Large Holes In Concrete Walls

Tap the chisel with a hammer and chip downward to the back wall of the block creating a larger.

Repairing large holes in concrete walls.

If your aim is to make the wall look better a smooth surface is also easier to paint. 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. The injection process fills the crack from top to bottom from inside to outside. Lay the chisel on the edge of the hole and point it downward at a 45 degree angle into the block.

Patching such holes is a necessary part of keeping your concrete foundation wall in good repair. Or rather one very large thing. If you do have hollow cinder block walls then yes you will need to use a filler like spray foam for areas the holes go all the way into the center. 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.

Concrete is is a lot coarser and includes large rocks and gravel. A huge hole in the cement wall that separates our garage from our basement. 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. To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete repair kit 60.

Holes this large make that type of fix impractical. If this is a retaining wall you need to fix the problem ont he other side of the wall first. The only way to repair foundation wall cracks successfully is by the injection process. Deep patch is solid concrete repair product for patching large holes in concrete surfaces.

You can use mortar mix to repair masonry but it is about 4 5x as expensive and the finish isn t that much nicer. 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.