Repairing Concrete Block Basement Walls

Bricks were once used extensively to construct foundations.

Repairing concrete block basement walls.

First clean any parts of the wall that you plan to repair so the cement or mortar adheres securely. Concrete epoxy cement expands it dries to make a seal that can withstand a waterspout of several hundred pounds of pressure. To repair a leaking concrete block wall in a basement you ll need concrete epoxy cement to make a waterproof seal. Repairing a foundation crack in this width range is a simple diy project that involves filling the crack with caulk compatible with concrete such as ge s concrete and masonry silicone ii caulk.

It s usually 8 inches thick. Repair with concrete epoxy for leaks. Hose the wall down or scrub it with a washcloth then use a metal file to smooth out any rough edges. Today however if a foundation doesn t consist of concrete it s probably constructed of concrete block.

Done properly concrete block foundations are strong and stable and will perform as well as poured concrete. It takes far more horizontal pressure to crack or snap a wall like this. A very straight vertical crack in a concrete block foundation wall extending from the basement floor slab to the top of the foundation wall. If the damaged area is manageable a do it yourselfer can easily perform the necessary repairs.

To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete repair kit 60. For aesthetic reasons we decided to cap the blocks to give it a smooth finished edge. A cast or poured concrete foundation wall is solid. To repair small cracks or holes in cinder block walls you can use concrete.

We repaired a foundation wall which had an 8 ft long crack that leaked water into the basement during periods of heavy rainfall. To repair a hollow concrete block foundation one of your options is to transform it into a solid wall every 24 inches on center. At vertical cracks in block walls. 2 ways to repair a bowed concrete block basement wall.

Details about the causes of vertical cracks in concrete block walls and the possible causes and need for remedy or repair for this crack damage are discussed. Use an epoxy injection system for basement wall crack repair. Most often the cause of damage to brick foundations is cracked mortar. Block foundations are however subject to a unique form of damage and several methods have been developed to remedy it.