Repair Deterioating Concrete Block Walls

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.

Repair deterioating concrete block walls.

The demo involved breaking up the blocks and resulted in rough unfinished edges on the blocks they did want to. The type of deterioration and therefore the repair depends on the damage that occurred. The mystery is why only some failed. I own a diner where decorative concrete block forms the lower part of the exterior walls.

A concrete block wall whether outdoors or otherwise can suffer damage due to weather flooding or accident. Some of the solid concrete block are crumbling away to nothing while others adjacent to them appear to be in perfect condition. In either case brick and block. Today however if a foundation doesn t consist of concrete it s probably constructed of concrete block.

How to repair a concrete cinder block wall. Most often the cause of damage to brick foundations is cracked mortar. Some of the concrete blocks in this wall are beyond repair. As part of my parents boathouse makeover they had to tear down a bunch of cinder block walls in order to remove an unpermitted addition.

Use an air hammer or hand chisel to remove all the fractured and loose concrete from the walls. Spalled and eroded block walls step 1. You can t use more mortar or concrete. Tim carter by tim carter.

If the damaged area is manageable a do it yourselfer can easily perform the necessary repairs. To repair small cracks or holes in cinder block walls you can use concrete. And then secondly you re going to use an epoxy patching compound. First clean any parts of the wall that you plan to repair so the cement or mortar adheres securely.

Now you could just wire brush that and get it down to the block because you can t put any kind of repair material over paint that s not adhered to the block wall because it just won t stick. Place two large cement blocks tightly against the wall underneath the area to be patched. How to repair crumbling cement walls by jourdan townsend. At the front of my building a wing wall extends away from the building.

Stop when you reach the rebar or steel inside the block walls. Bricks were once used extensively to construct foundations. Lay a scrap board over the blocks to provide a surface that will catch any cement patch that falls so it can be scraped up with a trowel and reused rather than ruining the surface below the wall. Hose the wall down or scrub it with a washcloth then use a metal file to smooth out any rough edges.