Filling Large Holes In Concrete Walls

After hearing that i seriously considered just gluing a piece of plywood over it and calling it a day.

Filling large holes in concrete walls.

If this is just a wall above ground on both sides you can mix up some concrete patch and fill the hole back in. How to fill large hole in an internal wall using a core which was cut out from a thermolite block using a core drill. In most cases you can use a brush or vacuum to get most of the debris. If that isn t an option fill the hole with water.

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. Call in a structural engineer for an in depth evaluation. Pop outs are small conical shape chunks of concrete that have popped out and left a hole behind. I m assuming your wall is made of concrete blocks also called cinder or cement blocks.

Concrete patch is used for repairs of holes or large cracks while a paste of portland cement and water or a concrete caulking product are suitable for smaller hairline cracks. Spray the hole with water if it s more than 1 in 2 5 cm deep. For that size vertical hole you may need to brace a board over the hole to hold in the patch until it dries. Unlike repairing drywall filling the holes requires more than just mashing the patching product into the holes.

I might fill most of the void with spray foam. 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. The hole in this wall was particularly. Several masonry patching products such as hydraulic cement do an adequate job of filling cracks in concrete.

Patching such holes is a necessary part of keeping your concrete foundation wall in good repair. If this is a retaining wall you need to fix the problem ont he other side of the wall first. Removing the debris from a large hole is often a little challenging. You ll want to fill so the foam is more or less even with the inside of the block.

If you notice large recurring cracks or bulging walls at your house don t try to fix these conditions yourself. Clean the hole with a stiff fiber or wire brush.