Patching Holes In Concrete Block Walls

How to patch a hole in a cinder block wall step 1.

Patching holes in concrete block walls.

Patch smaller cracks or holes with concrete. Le the hole or the crack dry for quite some time. Concrete is usually enough to bind together minor wall damage. Open it by cutting off the tip and squeezing until the contents come out in a bead.

How to fill holes in a cinder block wall. Also try to flatten out the bottom of the hole to create a stable level surface for the new patching material. Water may be used to make sure that all loose concrete. Brush out any remaining dirt or debris.

If the hole or crack. The easiest fastest cheapest solution to repairing the cinder block was using poured concrete and then painting the entire wall to mask the patch. 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. 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. Using a wire brush brush clean the cracks and the holes. I considered a lot of options. Chisel out any loose pieces of cinder block around the edges of the hole and brush away any loose debris with a.

Fill the hole working upward from the bottom. Put a tube of combined mortar and concrete caulk into the caulking gun. Purchase a bag of pre mixed concrete and empty the bag into a bucket or concrete tray. You won t be able to get a nice flat finish and it won t adhere very well.

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. If your wall has holes as well as cracks you ll need to use a slightly different material. Mist any cracks or holes with a handheld bottle. Mortar is commonly used to patch.

Combine a mortar mix with water in accordance with the mortar instructions. To do this you can t just spread new concrete onto the old blocks like cake frosting. Patching cracks with concrete 1. Chisel away any loose material around the edge of the hole so that the patch will adhere to a solid surface.

Fill the cracks and holes with concrete caulk. Knock away the cracked and crumbling concrete around the hole. Spray the hole out with water using a spray nozzle attached to a garden hose. Use mortar and concrete caulk to fill holes.