How To Patch Concrete Wall Holes

Mix a small.

How to patch concrete wall holes.

A bonding agent is a liquid that helps join new and old concrete. Fill holes with a mortar mix instead of regular concrete. If you use a ready mix concrete patch all you need to add is water. I mixed batches of cement going for a pretty thick consistency that would stay up on a vertical surface.

Clean the hole with a stiff fiber or wire brush. Pour the mortar mix into a. How to fill a hole in the exterior concrete wall of a home before painting. For small patching jobs use a pre mixed concrete patch.

As the concrete settles scrape the surface with a trowel. Brush a bonding agent onto the concrete. 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. Dampen the hole and surrounding area with water using a spray bottle.

I used a soaked sponge to wet the bricks and mortar making it easier for the cement to get a good bond. When you shop for store bought concrete you will see a. Once you have a good sticky surface for the concrete simply add water to premixed concrete and patch the crack. Fill the crack completely and tamp the patch.

Clean the hole and. Remove loose material from the hole in the wall by probing it with the tip of a screwdriver or blade of a putty knife.