How To Repair Concrete Cracks On Wall

Cracked concrete is unsightly but it s a lot easier to fix than you d think.

How to repair concrete cracks on wall.

Concrete wall crack repair in 8 steps step 1. If a crack between the wall and floor exceeds. The only way to repair foundation wall cracks successfully is by the injection process. Mist the wall with water and then apply a coat of thoroseal with a latex additive check on amazon.

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. Mix the two part epoxy. 10d finishing nails partway into the crack spaced 12 in. The crack must be prepared so that the sealant will adhere to the crack surfaces.

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. First scrub the crack clean of any loose concrete paint or old filler using a wire brush. Do this by enlarging the crack using a concrete chisel and a hammer. The injection process fills the crack from top to bottom from inside to outside.

Repairing a foundation crack of this nature is similar to repairing other non structural cracks. To fix narrow cracks your best bet is a caulk style concrete repair compound which is easy to use and prevents further cracking. Use a nail to align injection points.