Holes in a cinder block wall not only are unsightly but also over time will grow larger.
How to fill a concrete hole in wall.
How to fill a hole in the exterior concrete wall of a home before painting.
Apply a coat of concrete adhesive to the hole.
Before attempting to fill a hole clear out loose concrete and other debris.
The guys at home depot had a lot of fun lamenting the fact that the hole existed to begin with and then suggested that i build a mold on one side of the wall and fill it in with a pour of concrete.
Clean the hole with a stiff fiber or wire brush.
You ll want to fill so the foam is more or less even with the inside of the block.
The stuff expands pretty much so start at about a 50 fill and see where that gets you.
I m assuming your wall is made of concrete blocks also called cinder or cement blocks.
Concrete takes time to cure so keep the patch moist for several days for a stronger fix.
As moisture fills the holes and the temperature changes the.
After hearing that i seriously considered just gluing a piece of plywood over it and calling it a day.
Repairing the holes in a concrete wall involves undercutting the hole.
I might fill most of the void with spray foam.
Then mix the mortar fill in the hole and level it to blend it in with the surrounding structure.
How to fill holes in a cinder block wall.
Pop outs are small conical shape chunks of concrete that have popped out and left a hole behind.
Remove loose material with a wire brush and blow out any remaining debris.