Don t leave a depression along the surface of the patch.
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.
10d finishing nails partway into the crack spaced 12 in.
Hammer it gently with the rubber mallet to.
Concrete wall crack repair in 8 steps step 1.
Mix the two part epoxy.
Brush out the concrete chippings with 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.
Wedge the chisel into the top of the crack in the concrete wall.
Using either a screwdriver or hammer or a combination of both chip off any loose concrete paint or old filler.
Then trowel the concrete into the crack until it is completely filled.
How to patch an exterior concrete wall step 1.
Use a nail to align injection points.
First scrub the crack clean of any loose concrete paint or old filler using a wire brush.