How To Repair Large Cracks In Concrete Wall

We repaired a foundation wall which had an 8 ft long crack that leaked water into the basement during periods of heavy rainfall.

How to repair large cracks in concrete wall.

Sealing the cracks with quikrete is an easy project for any skill level. Once the area has been prepared sweep away all loose concrete debris. If desired clean the crack with a pressure washer or a garden. Mix the two part epoxy.

Repair a foundation crack with an epoxy sealer. Then fill the remainder of the groove and smooth it over. To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete repair kit about 60. The injection process fills the crack from top to bottom from inside to outside.

Prepare the cracked area for patching. Add water to the resurfacer mix to get the consistency of pancake batter for the concrete crack filler. It may be necessary to widen the crack in some places. First use a small hammer and chisel in combination to knock away any.

Clear out chipped loose or unstable concrete from the repair area. 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. Instead use a concrete. Pour concrete resurfacing mixture into the crack and smooth it out with a rubber floor squeegee.

Remove all water and. Concrete wall crack repair in 8 steps step 1. Make cosmetic and waterproof repairs to concrete masonry and stucco walls. 10d finishing nails partway into the crack spaced 12 in.

Choose your concrete repair product. Choose your concrete repair product. The only way to repair foundation wall cracks successfully is by the injection process. Remove all debris from the crack using a wire brush.

How to repair wide concrete cracks chisel the crack with a hammer and masonry chisel to widen the base of the crack and to dislodge any loose material from. Use a nail to align injection points. First scrub the crack clean of any loose concrete paint or old filler using a wire brush.