How To Fill A Concrete Hole In Wall

Repairing the holes in a concrete wall involves undercutting the hole.

How to fill a concrete hole in wall.

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. 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. As moisture fills the holes and the temperature changes the. Use a cold chisel and hammer to make the space wider underneath the hole.

How to fill holes in a cinder block wall. How to fill a hole in the exterior concrete wall of a home before painting. 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.

Remove loose material with a wire brush and blow out any remaining debris. Clean the hole with a stiff fiber or wire brush. Then mix the mortar fill in the hole and level it to blend it in with the surrounding structure. Before attempting to fill a hole clear out loose concrete and other debris.

Apply a coat of concrete adhesive to the hole. Concrete takes time to cure so keep the patch moist for several days for a stronger fix. You ll want to fill so the foam is more or less even with the inside of the block. I might fill most of the void with spray foam.

After hearing that i seriously considered just gluing a piece of plywood over it and calling it a day.