How To Fix Cracks On Concrete Walls

Use a nail to align injection points.

How to fix cracks on concrete walls.

There s enough material in each kit to repair a 1 16 in wide x 8 in deep x 8 ft long crack. Diagonal cracks in concrete. The only way to repair foundation wall cracks successfully is by the injection process. To determine the extent of the structural damage you must assess how long the diagonal crack has been there and how large.

10d finishing nails partway into the crack spaced 12 in. Now you can move onto the actual methods of fixing a crack in the concrete. Mix the two part epoxy. 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.

There are four main methods at your disposal which you can use to fix cracks in concrete. How to fix cracks in concrete. The injection process fills the crack from top to bottom from inside to outside. These include using simple concrete glue filling the crack with more concrete using expanding foam and even starting from scratch.

Each kit contains a two part epoxy crack sealer two 10 oz. Tubes of liquid concrete repair lcr a viscous epoxy that comes in a caulk type cartridge and seven plastic injection ports that deliver the lcr deep into the crack. First scrub the crack clean of any loose concrete paint or old filler using a wire brush. Although it s easy to fix minor cracks in concrete walls deeper fissures are a sign of poor structural integrity.

Since concrete walls are load bearing they are more susceptible to cracks. By doing this you ll not only end up taking care of the visible cracks but.