10d finishing nails partway into the crack spaced 12 in.
Patching exterior concrete walls.
Mix the two part epoxy.
Wedge the chisel into the top of the crack in the concrete wall.
Things needed screwdriver putty knife wire brush wet dry vacuum spray bottle filled with water hydraulic cement clean mixing container trowel optional.
Hammer it gently with the rubber mallet to.
If you are using concrete to patch the crack apply masonry adhesive or some type of bonding agent to the inner surface of the crack.
How to patch an exterior concrete wall step 1.
Don t leave a depression along the surface of the patch.
Paint the concrete bonding liquid along the length of the crack.
First scrub the crack clean of any loose concrete paint or old filler using 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.
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.
Use a nail to align injection points.