How To Fix A Cracked Concrete Basement Wall

Use a nail to align injection points.

How to fix a cracked concrete basement wall.

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. Once that has been done you may want to start mixing your mortar check on amazon. Fill a bucket with the mortar and then use a hand trowel to apply it.

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 it with a caulk suitable for use on concrete. 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. Do this by enlarging the crack using a concrete chisel and a hammer.

You can t handle this cracked wall by simply filling the crack and finishing off the basement. Repairing a foundation crack of this nature is similar to repairing other non structural cracks. The injection process fills the crack from top to bottom from inside to outside. Mix the two part epoxy.

First scrub the crack clean of any loose concrete paint or old filler using a wire brush. If a crack between the wall and floor exceeds. 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. 10d finishing nails partway into the crack spaced 12 in.