Holes in concrete walls are more likely the result of drilling into the wall to secure shelving or to hang other items on the wall.
Filling small holes in concrete block walls.
Filling small cracks in concrete keeps them from turning into big holes.
I m assuming your wall is made of concrete blocks also called cinder or cement blocks.
If your aim is to make the wall look better a smooth surface is also easier to paint.
Pop outs are small conical shape chunks of concrete that have popped out and left a hole behind.
Clean the hole with a stiff fiber or wire brush.
This technique will work for cracks smaller than 3 8 inch wide in the sidewalk driveway garage floor basement or steps.
Patching such holes is a necessary part of keeping your concrete foundation wall in good repair.
To create a smooth surface when these items are removed the hole must be filled.
After hearing that i seriously considered just gluing a piece of plywood over it and calling it a day.
How to fill holes in a cinder block wall.
You ll want to fill so the foam is more or less even with the inside of the block.
Cinder blocks can still be damaged by time and severe impact however.
The stuff expands pretty much so start at about a 50 fill and see where that gets you.
Common spackling products do not adhere to the concrete and are not suitable for repairing holes or cracks in your concrete walls.
Then use one of the concrete patching.
For this project you ll need.
I might fill most of the void with spray foam.
Treat holes as soon as you find them so you can prevent water and rodents from further damaging the concrete and getting into your home.
Patching a hole in a cinder block wall requires some time along with the appropriate materials to make the repair.
Then mix the mortar fill in the hole and level it to blend it in with the surrounding structure.
If you know how to fill small cracks in concrete you ll restore your concrete to a smooth finish.
As moisture fills the holes and the temperature changes the.
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.
Before attempting to fill a hole clear out loose concrete and other debris.