Repair Large Hole In Concrete Block Wall

Here it is with brad for scale.

Repair large hole in concrete block wall.

To repair small cracks or holes in cinder block walls you can use concrete. Concrete is is a lot coarser and includes large rocks and gravel. Cinder blocks can still be damaged by time and severe impact however. Patching a hole in a cinder block wall requires some time along with the appropriate materials to make the repair.

First clean any parts of the wall that you plan to repair so the cement or mortar adheres securely. Hose the wall down or scrub it with a washcloth then use a metal file to smooth out any rough edges. 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. The major cause of cracks and holes in most concrete foundation is water.

You can use mortar mix to repair masonry but it is about 4 5x as expensive and the finish isn t that much nicer. 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. Holes in a cinder block wall not only are unsightly but also over time will grow larger.

As moisture fills the holes and the temperature changes the edges will grow brittle and crumble. It is kind of a not very good thing. I recently had a bee problem where a colony took up residence inside the concrete wall of my house. However just like any other material concrete blocks also degrade through time.

A concrete block wall whether outdoors or otherwise can suffer damage due to weather flooding or accident. How to fix a large hole in a cement block. 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.

What is the best way to repair holes in exterior concrete walls. 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. Concrete blocks tend to be more visually striking and stronger than poured concrete.