Patching Holes In Concrete Block Walls

Combine a mortar mix with water in accordance with the mortar instructions.

Patching holes in concrete block walls.

Patch smaller cracks or holes with concrete. Fill the hole working upward from the bottom. Spray the hole out with water using a spray nozzle attached to a garden hose. 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.

Open it by cutting off the tip and squeezing until the contents come out in a bead. Brush out any remaining dirt or debris. 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. After hearing that i seriously considered just gluing a piece of plywood over it and calling it a day.

I considered a lot of options. Mortar is commonly used to patch. How to patch a hole in a cinder block wall step 1. Also try to flatten out the bottom of the hole to create a stable level surface for the new patching material.

4 direct the mason s chisel. To do this you can t just spread new concrete onto the old blocks like cake frosting. 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. Chisel out any loose pieces of cinder block around the edges of the hole and brush away any loose debris with a.

Use mortar and concrete caulk to fill holes. How to fill holes in a cinder block wall. 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.

Le the hole or the crack dry for quite some time. You won t be able to get a nice flat finish and it won t adhere very well. Chisel away any loose material around the edge of the hole so that the patch will adhere to a solid surface. Water may be used to make sure that all loose concrete.

The following steps will serve as guide to fixing these problems. Patching cracks with concrete 1. If the hole or crack. Purchase a bag of pre mixed concrete and empty the bag into a bucket or concrete tray.

Put a tube of combined mortar and concrete caulk into the caulking gun. Set the spray nozzle to its. The easiest fastest cheapest solution to repairing the cinder block was using poured concrete and then painting the entire wall to mask the patch. Using a wire brush brush clean the cracks and the holes.