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.

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. Cinder blocks can still be damaged by time and severe impact however. You ll want to fill so the foam is more or less even with the inside of the block.

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. Patching a hole in a cinder block wall requires some time along with the appropriate materials to make the repair. Then use one of the concrete patching. 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.

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. Holes in a cinder block wall not only are unsightly but also over time will grow larger. Common spackling products do not adhere to the concrete and are not suitable for repairing holes or cracks in your concrete walls. How to fill holes in a cinder block wall.

Patching such holes is a necessary part of keeping your concrete foundation wall in good repair. Then mix the mortar fill in the hole and level it to blend it in with the surrounding structure. This technique will work for cracks smaller than 3 8 inch wide in the sidewalk driveway garage floor basement or steps. I might fill most of the void with spray foam.

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. Before attempting to fill a hole clear out loose concrete and other debris. Filling small cracks in concrete keeps them from turning into big holes. If you know how to fill small cracks in concrete you ll restore your concrete to a smooth finish.

As moisture fills the holes and the temperature changes the. The stuff expands pretty much so start at about a 50 fill and see where that gets you. Pop outs are small conical shape chunks of concrete that have popped out and left a hole behind. For this project you ll need.