How To Repair Spalling Concrete Block Basement Walls

The term spalling is often used to describe the defect you are seeing in your foundation walls.

How to repair spalling concrete block basement walls.

Spalling will cause the concrete to crumble and left unchecked overtime it will no longer be a sound foundation for the home. This moisture could be from penetration through the surface of the concrete as would occur on a sidewalk or driveway or from moisture moving through the concrete. A cast or poured concrete foundation wall is solid. Get rid of concrete spalling by resurfacing the concrete if your driveway surface has spalling concrete the most likely cause is an installation mistake.

When the spalling damage is shallower than 1 3 of the concrete s thickness the concrete usually can receive a surface repair. It s usually 8 inches thick. How to fix concrete near foundation. It takes far more horizontal pressure to crack or snap a wall like this.

Common mistakes include adding too much water to the mix to make it easier to pour. If caught early spalling can be repaired removing the need for complete concrete replacement. To repair a hollow concrete block foundation one of your options is to transform it into a solid wall every 24 inches on center. Sprinkling the surface of the concrete with water to extend finishing time.

How to repair spalling concrete walls when it comes to repairing a spalling concrete wall early detection will go a long way to save you expensive repairs and lots of hard work. Corroded rebar due to exposure must be cleaned at the beginning of the restoration process. The steel reinforcing bars within the concrete begin to corrode and expand causing the breakage on the surface concrete. Older homes particularly those in areas with a high salt content in the soil are most likely to be affected by spalling since older exterior foundation walls may not have waterproofing applied.

And not curing the concrete. If the damage is greater than 1 3 of the depth steel bars may need to be installed and a full depth restoration may be required. Fixing crumbling concrete foundation before spray painting exterior of the house.