Sealing Cracks In Concrete Basement Walls

Concrete block walls in particular can form cracks for a number of reasons.

Sealing cracks in concrete basement walls.

Before you reach for the phone take your time and inspect the crack you ve spotted. For cracks up to 1 2 inch wide in horizontal concrete surfaces concrete crack sealants and caulk based concrete fillers will be the best option. Each kit contains a two part epoxy crack sealer two 10 oz. It can also develop small pinhole openings that act as capillaries for water transmission.

We recommend using backer rods also if sealing wide cracks in concrete walls or floors but first you need to have those cracks evaluated to determine the cause as other important structural repairs could be needed first. It can also be used to fill cracks in concrete floors and ceilings. 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. Use an epoxy injection system for basement wall crack repair we repaired a foundation wall which had an 8 ft long crack that leaked water into the basement during periods of heavy rainfall.

Seal the entire concrete wall with a waterproof masonry. It is not unusual for cracks to appear in basement walls regardless of the type of wall you have. This method is effective for filling cracks 0 002 to 1 inch wide in walls up to 12 inches thick. When the basement is water free proceed with inspecting fixing and effectively waterproofing the basement walls.

If a crack between the wall and floor exceeds. Fill it with a caulk suitable for use on concrete. Poured in place concrete walls these are the most common type of basement walls built across the us today. There s enough material in each kit to repair a 1 16 in wide x 8 in deep x 8 ft long crack.

Concrete is a porous material when fully cured. They re usually constructed by pouring concrete into metal or wood forms and then the forms are removed once the concrete has set up or hardened. To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete repair kit 60. Sand clean dry may be used as a filler for cracks an easier approach if you are repairing an irregular crack in a floor.

Repairing a foundation crack of this nature is similar to repairing other non structural cracks.