Patching Exterior Concrete Walls

Things needed screwdriver putty knife wire brush wet dry vacuum spray bottle filled with water hydraulic cement clean mixing container trowel optional.

Patching exterior concrete walls.

Concrete wall crack repair in 8 steps step 1. Don t leave a depression along the surface of the patch. Then trowel the concrete into the crack until it is completely filled. How to patch an exterior concrete wall step 1.

Using either a screwdriver or hammer or a combination of both chip off any loose concrete paint or old filler. Hammer it gently with the rubber mallet to. First scrub the crack clean of any loose concrete paint or old filler using a wire brush. Use a nail to align injection points.

Paint the concrete bonding liquid along the length of the crack. The only way to repair foundation wall cracks successfully is by the injection process. 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. Brush out the concrete chippings with a wire brush.

10d finishing nails partway into the crack spaced 12 in.