How To Fix A Cracked Concrete Basement Wall

If you only had the stair step cracks you could go ahead with your basement finish work because that type of crack is a normal sign of settling.

How to fix a cracked concrete basement wall.

Do this by enlarging the crack using a concrete chisel and a hammer. Mix the two part epoxy. Use a wire brush check on amazon to brush both ends of the walls and then try a vacuum pump to suck out all debris in. Fill a bucket with the mortar and then use a hand trowel to apply it.

Repairing a foundation crack of this nature is similar to repairing other non structural cracks. You can t handle this cracked wall by simply filling the crack and finishing off the basement. The injection process fills the crack from top to bottom from inside to outside. The crack must be prepared so that the sealant will adhere to the crack surfaces.

Stair step cracks may cause cracks in other walls above or a door to rub but they don t compromise the strength of the foundation. Before you start to repair the crack use any combination of a wire brush vacuum or power washer to remove any oil dirt or debris from the concrete wall surface and from inside the crack. First scrub the crack clean of any loose concrete paint or old filler using a wire brush. Injecting a typical wall crack with an epoxy or urethane resin is done under pressure pushing the material from the inside all the way to the outside.

Concrete wall crack repair in 8 steps step 1. The only way to repair foundation wall cracks successfully is by the injection process. 10d finishing nails partway into the crack spaced 12 in. Fill it with a caulk suitable for use on concrete.