Filling Small Holes In Concrete Block Walls

Then use one of the concrete patching.

Filling small holes in concrete block walls.

Filling small cracks in concrete keeps them from turning into big holes. 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. Holes in a cinder block wall not only are unsightly but also over time will grow larger. 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 blocks can still be damaged by time and severe impact however. 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. If you know how to fill small cracks in concrete you ll restore your concrete to a smooth finish. Pop outs are small conical shape chunks of concrete that have popped out and left a hole behind.

I m assuming your wall is made of concrete blocks also called cinder or cement blocks. The stuff expands pretty much so start at about a 50 fill and see where that gets you. If your aim is to make the wall look better a smooth surface is also easier to paint. How to fill holes in a cinder block wall.

For this project you ll need. This technique will work for cracks smaller than 3 8 inch wide in the sidewalk driveway garage floor basement or steps. 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. To create a smooth surface when these items are removed the hole must be filled.

You ll want to fill so the foam is more or less even with the inside of the block. Then mix the mortar fill in the hole and level it to blend it in with the surrounding structure. 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.

Clean the hole with a stiff fiber or wire brush. Patching such holes is a necessary part of keeping your concrete foundation wall in good repair. Patching a hole in a cinder block wall requires some time along with the appropriate materials to make the repair. 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.