How To Fill A Concrete Hole In Wall

I might fill most of the void with spray foam.

How to fill a concrete hole in wall.

Then mix the mortar fill in the hole and level it to blend it in with the surrounding structure. In addition to being an eyesore a hole in an exterior concrete wall of your home creates a point of weakness in the. Holes in a cinder block wall not only are unsightly but also over time will grow larger. 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. I m assuming your wall is made of concrete blocks also called cinder or cement blocks. 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. Repairing the holes in a concrete wall involves undercutting the hole.

Use a cold chisel and hammer to make the space wider underneath the hole. Remove loose material with a wire brush and blow out any remaining debris. As moisture fills the holes and the temperature changes the. Apply a coat of concrete adhesive to the hole.

The stuff expands pretty much so start at about a 50 fill and see where that gets you. Before attempting to fill a hole clear out loose concrete and other debris. How to fill holes in a cinder block wall. Concrete takes time to cure so keep the patch moist for several days for a stronger fix.

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