10d finishing nails partway into the crack spaced 12 in.
Patching exterior concrete walls.
How to patch an exterior concrete wall step 1.
The only way to repair foundation wall cracks successfully is by the injection process.
Use a nail to align injection points.
Then trowel the concrete into the crack until it is completely filled.
Brush out the concrete chippings with a wire brush.
Wedge the chisel into the top of the crack in the concrete wall.
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.
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.
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.
Don t leave a depression along the surface of the patch.
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.