Patching such holes is a necessary part of keeping your concrete foundation wall in good repair.
How to fix large hole in concrete wall.
For that size vertical hole you may need to brace a board over the hole to hold in the patch until it dries.
If this is a retaining wall you need to fix the problem ont he other side of the wall first.
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.
Holes this large make that type of fix impractical.
How to repair concrete steps.
Patching a hole in a cinder block wall requires some time along with the appropriate materials to make the repair.
Removing the debris from a large hole is often a little challenging.
Spray the hole with water if it s more than 1 in 2 5 cm deep.
If this is just a wall above ground on both sides you can mix up some concrete patch and fill the hole back in.
How to fix a large hole in a cement block.
If your aim is to make the wall look better a smooth surface is also easier to paint.
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.
Or rather one very large thing.
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.
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.
Clean the hole with a stiff fiber or wire brush.
Cinder block is a useful construction material since it is normally lighter than solid concrete and yet still durable enough to last under normal stress conditions.
The injection process fills the crack from top to bottom from inside to outside.
Cinder blocks can still be damaged by time and severe impact however.
In most cases you can use a brush or vacuum to get most of the debris.
A huge hole in the cement wall that separates our garage from our basement.
If that isn t an option fill the hole with water.