Repair Large Hole In Concrete Block Wall

A huge hole in the cement wall that separates our garage from our basement.

Repair large hole in concrete block wall.

First clean any parts of the wall that you plan to repair so the cement or mortar adheres securely. Here it is with brad for scale. However just like any other material concrete blocks also degrade through time. We repaired a foundation wall which had an 8 ft long crack that leaked water into the basement during periods of heavy rainfall.

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. To repair small cracks or holes in cinder block walls you can use concrete. 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.

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. A concrete block wall whether outdoors or otherwise can suffer damage due to weather flooding or accident. Concrete is is a lot coarser and includes large rocks and gravel. It is pretty bad for energy efficiency to have big holes from the inside to the outside.

How to fix a large hole in a cement block. Holes in a cinder block wall not only are unsightly but also over time will grow larger. You can use mortar mix to repair masonry but it is about 4 5x as expensive and the finish isn t that much nicer. It is kind of a not very good thing.

The major cause of cracks and holes in most concrete foundation is water. Concrete blocks tend to be more visually striking and stronger than poured concrete. Hose the wall down or scrub it with a washcloth then use a metal file to smooth out any rough edges. As moisture fills the holes and the temperature changes the edges will grow brittle and crumble.

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 wall crack repair in 8 steps use an epoxy injection system for basement wall crack repair.