Patching Basement Floor Cracks

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

Patching basement floor cracks.

Hairline cracks need no repair and are not indicative of a larger problem. For cracks that exceed 1 inch in width place your chisel at the edges of the crack and use a hammer to strike the chisel. Pour concrete resurfacing mixture into the crack and smooth it out with a rubber floor squeegee. Apply a concrete patch to the crack making sure there are no gaps or uneven areas.

The sub base wasn t properly compacted and the concrete settled in one area causing the basement floor to sink and. Add water to the resurfacer mix to get the consistency of pancake batter for the concrete crack filler. Pc masonry epoxy adhesive paste. Chip away 25 inches from each side of the concrete.

Smooth the patch with a putty knife. Feather the edges to get the best appearance. If a crack between the wall and floor exceeds inch some can be two inches wide or more inches wide call a foundation contractor who can fill it by injecting an expanding epoxy. Basement floors crack for a many reasons.

When you re in the market for concrete patches the brand that you might be familiar. The basement floor doesn t support the weight of the home so cracks in the floor won t affect the home s structural integrity. The 5 best concrete patch for basement floor crack repair 1. Epoxy crack patch cure time.

Be they straight jagged or spiderweb like fine cracks in the basement floor commonly result from surface shrinkage as. Clean dry may be used as a filler for cracks an easier approach if you are repairing an irregular crack in a floor. If the crack requires a second patch then wait for the first layer to dry before applying the second coat. Doing will ensure there is no loose concrete along the edges of the crack.

Fdc epoxy mortar patching system. Newly poured concrete shrinks when it dries. This is a 100 solid epoxy filler that works perfectly for fixing concrete. To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete repair kit about 60.

Then fill the remainder of the groove and smooth it over. Sand should stop about 3 4 from the top of the floor surface to give adequate volume of sealer epoxy in the crack. If no expansion joints are cut into the concrete floor then shrinkage.