Spray the hole out with water using a spray nozzle attached to a garden hose.
How to fix hole in concrete block wall.
Also try to flatten out the bottom of the hole to create a stable level surface for the new patching material.
How to fill holes in a cinder block wall.
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.
Chisel away any loose material around the edge of the hole so that the patch will adhere to a solid surface.
Le the hole or the crack dry for quite some time.
Brush out any remaining dirt or debris.
Knock away the cracked and crumbling concrete around the hole.
Chisel out any loose pieces of cinder block around the edges of the hole and brush away any loose debris with a.
Fill the cracks and holes with concrete caulk.
Set the spray nozzle to its.
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.
Remove crumbling or loose concrete block or mortar from the hole and the area around it by tapping gently with a hammer.
Using a wire brush brush clean the cracks and the holes.
Combine a mortar mix with water in accordance with the mortar instructions.
Mortar is commonly used to patch.
How to patch a hole in a cinder block wall step 1.