Patching Concrete Cracks In A Wall

Use a nail to align injection points.

Patching concrete cracks in a wall.

Quikrete concrete repair or quikrete self leveling polyurethane sealant may be used. The only way to repair foundation wall cracks successfully is by the injection process. Dampen the area around the crack and then trowel on the mix. Each kit contains a two part epoxy crack sealer two 10 oz.

10d finishing nails partway into the crack spaced 12 in. 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. Fill it with a caulk suitable for use on concrete. There s enough material in each kit to repair a 1 16 in wide x 8 in deep x 8 ft long crack.

Repairing a foundation crack of this nature is similar to repairing other non structural cracks. If a crack between the wall and floor exceeds. Fill the crack with patching mix also know as vinyl concrete patching mix is made from vinyl portland cement and sand. Step 1 widen the crack using a chisel and hammer to a minimum of inch and break away any deteriorating concrete the edges of the crack should be vertical or beveled in an inverted v.

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. The crack must be prepared so that the sealant will adhere to the crack surfaces. The injection process fills the crack from top to bottom from inside to outside.

It covers cracks up to 1 2 inch wide. Concrete wall crack repair in 8 steps step 1.