How To Fix Cracks On Concrete Walls

10d finishing nails partway into the crack spaced 12 in.

How to fix cracks on concrete walls.

Diagonal cracks in concrete. There s enough material in each kit to repair a 1 16 in wide x 8 in deep x 8 ft long 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.

Since concrete walls are load bearing they are more susceptible to cracks. 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. These include using simple concrete glue filling the crack with more concrete using expanding foam and even starting from scratch. Scrape the rusts off the steel bars with a wire brush reseal the hole with new concrete.

Although it s easy to fix minor cracks in concrete walls deeper fissures are a sign of poor structural integrity. To determine the extent of the structural damage you must assess how long the diagonal crack has been there and how large. Each kit contains a two part epoxy crack sealer two 10 oz. There are four main methods at your disposal which you can use to fix cracks in concrete.

How to fix cracks in concrete. Mix the two part epoxy. The injection process fills the crack from top to bottom from inside to outside. 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.

Now you can move onto the actual methods of fixing a crack in the concrete. Use a nail to align injection points.