How To Fix A Concrete Block Basement Wall Diy

If you notice any cracks in the wall then they will need your attention first.

How to fix a concrete block basement wall diy.

Remove as much of the covering as possible so that you can look at the whole wall. Lay a scrap board over the blocks to provide a surface that will catch any cement patch that falls so it can be scraped up with a trowel and reused rather than ruining the surface below the wall. Place two large cement blocks tightly against the wall underneath the area to be patched. You can t handle this cracked wall by simply filling the crack and finishing off the basement.

First clean any parts of the wall that you plan to repair so the cement or mortar adheres securely. If you only had the stair step cracks you could go ahead with your basement finish work because that type of crack is a normal sign of settling. To repair a leaking concrete block wall in a basement you ll need concrete epoxy cement to make a waterproof seal. Tape a one foot by one foot square of plastic sheeting plastic kitchen wrap will do to the concrete wall in your basement with duct tape and leave it in place for 24 hours.

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. Then remove the tape. Concrete epoxy cement expands it dries to make a seal that can withstand a waterspout of several hundred pounds of pressure. There are two materials steel and carbon fiber that are commonly used to stabilize these walls and each has its advantages.

To repair small cracks or holes in cinder block walls you can use concrete. Repair with concrete epoxy for leaks. There s also a stair step crack on each end of the horizontal crack and the wall is bowed in about 1 in. Hose the wall down or scrub it with a washcloth then use a metal file to smooth out any rough edges.

You might also notice that your basement walls are bowed.