Repair Large Hole In Concrete Block Wall

Here it is with brad for scale.

Repair large hole in concrete block wall.

Patching a hole in a cinder block wall requires some time along with the appropriate materials to make the repair. Concrete mix is similar to mortar mix the stuff i used to pour the floor of my shower but it is made up of sand and cement only. Holes in a cinder block wall not only are unsightly but also over time will grow larger. How to fix a large hole in a cement block.

First clean any parts of the wall that you plan to repair so the cement or mortar adheres securely. Holes occur in a cement block for a number of reasons ranging from the blunt force of something striking it to settling walls causing stress fractures. Or rather one very large thing. Cinder blocks can still be damaged by time and severe impact however.

A huge hole in the cement wall that separates our garage from our basement. It is pretty bad for energy efficiency to have big holes from the inside to the outside. Concrete blocks tend to be more visually striking and stronger than poured concrete. What is the best way to repair holes in exterior concrete walls.

It is kind of a not very good thing. To repair small cracks or holes in cinder block walls you can use concrete. We have since taken care of that issue but in order to do that the contractor had to bust 4 5 baseball to softball size holes in the exterior walls. As moisture fills the holes and the temperature changes the edges will grow brittle and crumble.

Readily available materials can fix some cracking in a block wall without having to tear it down and add new concrete follow the instructions below and take care of this damage before it can cause problems. A concrete block wall whether outdoors or otherwise can suffer damage due to weather flooding or accident. You can use mortar mix to repair masonry but it is about 4 5x as expensive and the finish isn t that much nicer. Cinder block is a useful construction material since it is normally lighter than solid concrete and yet still durable enough to last under normal stress conditions.

Concrete is is a lot coarser and includes large rocks and gravel. Hose the wall down or scrub it with a washcloth then use a metal file to smooth out any rough edges. I recently had a bee problem where a colony took up residence inside the concrete wall of my house.