Then trowel the concrete into the crack until it is completely filled.
Patching exterior concrete walls.
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.
How to patch an exterior concrete wall step 1.
10d finishing nails partway into the crack spaced 12 in.
Wedge the chisel into the top of the crack in the concrete wall.
First scrub the crack clean of any loose concrete paint or old filler using a wire brush.
Concrete wall crack repair in 8 steps step 1.
Using either a screwdriver or hammer or a combination of both chip off any loose concrete paint or old filler.
Mix the two part epoxy.
Things needed screwdriver putty knife wire brush wet dry vacuum spray bottle filled with water hydraulic cement clean mixing container trowel optional.
Use a nail to align injection points.
Brush out the concrete chippings with a wire brush.
Hammer it gently with the rubber mallet to.
Paint the concrete bonding liquid along the length of the crack.