Filling Small Holes In Concrete Block Walls

To create a smooth surface when these items are removed the hole must be filled.

Filling small holes in concrete block walls.

As moisture fills the holes and the temperature changes the. Filling small cracks in concrete keeps them from turning into big holes. I might fill most of the void with spray foam. 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.

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. Common spackling products do not adhere to the concrete and are not suitable for repairing holes or cracks in your concrete walls. This technique will work for cracks smaller than 3 8 inch wide in the sidewalk driveway garage floor basement or steps. 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.

Then use one of the concrete patching. 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. 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.

Clean the hole with a stiff fiber or wire brush. If you know how to fill small cracks in concrete you ll restore your concrete to a smooth finish. The stuff expands pretty much so start at about a 50 fill and see where that gets you. Holes in a cinder block wall not only are unsightly but also over time will grow larger.

Before attempting to fill a hole clear out loose concrete and other debris. 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. 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.

If your aim is to make the wall look better a smooth surface is also easier to paint. After hearing that i seriously considered just gluing a piece of plywood over it and calling it a day. I m assuming your wall is made of concrete blocks also called cinder or cement blocks. Patching a hole in a cinder block wall requires some time along with the appropriate materials to make the repair.