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