Sealing Cracks In Concrete Basement Walls

Concrete is a porous material when fully cured.

Sealing cracks in concrete basement walls.

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. Some cracks are just annoyances while others are symptoms of a larger problem and with a little bit of know how you can tell the difference. Fill it with a caulk suitable for use on concrete. 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.

This method is effective for filling cracks 0 002 to 1 inch wide in walls up to 12 inches thick. Each kit contains a two part epoxy crack sealer two 10 oz. For basement walls low pressure injection is the best way to ensure that the crack is completely filled cole maintains. If a crack between the wall and floor exceeds.

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. Concrete block walls in particular can form cracks for a number of reasons. It is not unusual for cracks to appear in basement walls regardless of the type of wall you have. When the basement is water free proceed with inspecting fixing and effectively waterproofing the basement walls.

Before you reach for the phone take your time and inspect the crack you ve spotted. 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. Sand clean dry may be used as a filler for cracks an easier approach if you are repairing an irregular crack in a floor. Poured in place concrete walls these are the most common type of basement walls built across the us today.

Repairing a foundation crack of this nature is similar to repairing other non structural cracks. However for cracks wider than inch quick setting cement based fillers are advisable to use. To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete repair kit 60. There s enough material in each kit to repair a 1 16 in wide x 8 in deep x 8 ft long crack.

It can also develop small pinhole openings that act as capillaries for water transmission.