Patching Holes In Concrete Block Walls

Patch smaller cracks or holes with concrete.

Patching holes in concrete block walls.

Chisel away any loose material around the edge of the hole so that the patch will adhere to a solid surface. Tap the chisel with a hammer and chip downward to the back wall of the block creating a larger opening in the back of the block than the hole in the front of the block. How to fill holes in a cinder block wall. Put a tube of combined mortar and concrete caulk into the caulking gun.

Spray the hole out with water using a spray nozzle attached to a garden hose. Brush out any remaining dirt or debris. How to patch a hole in a cinder block wall step 1. Purchase a bag of pre mixed concrete and empty the bag into a bucket or concrete tray.

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. Chisel out any loose pieces of cinder block around the edges of the hole and brush away any loose debris with a. Set the spray nozzle to its. Concrete is usually enough to bind together minor wall damage.

After hearing that i seriously considered just gluing a piece of plywood over it and calling it a day. The following steps will serve as guide to fixing these problems. Le the hole or the crack dry for quite some time. I considered a lot of options.

Water may be used to make sure that all loose concrete. Mist any cracks or holes with a handheld bottle. Fill the hole working upward from the bottom. Knock away the cracked and crumbling concrete around the hole.

Use mortar and concrete caulk to fill holes. Mortar is commonly used to patch. Fill the cracks and holes with concrete caulk. If your wall has holes as well as cracks you ll need to use a slightly different material.

Patching cracks with concrete 1. You won t be able to get a nice flat finish and it won t adhere very well. Open it by cutting off the tip and squeezing until the contents come out in a bead. Using a wire brush brush clean the cracks and the holes.

If the hole or crack. 4 direct the mason s chisel. To do this you can t just spread new concrete onto the old blocks like cake frosting. Since a thicker patch is more likely to last a long time try to make the hole up to 1 in 2 5 cm deep if it isn t already deeper than that.