Repairing Small Cracks In Basement Floor

If you find cracks in the concrete of your basement don t panic.

Repairing small cracks in basement floor. Feather the edges to get the best appearance. To minimize stoppages repair small sections of the crack at a time 5 10 ft. Although it may seem daunting repairing cracks in your basement floor is something you can do without going to the expense of hiring a professional. Small cracks in the basement floor commonly result from shrinkage as the concrete dries which pulls the concrete apart.

As it dries the concrete begins to shrink. It takes a long time for concrete patches to completely cure. Inject the crack weld resin into the crack to wet it it will soon get tacky. The ergonomically designed filler easily reaches into narrow cracks and saturates the space created by the crack.

Be they straight jagged or spiderweb like fine cracks in the basement floor commonly result from surface shrinkage as. Hairline cracks don t require repair. These types of cracks can show up as long as a year after the basement floor is poured depending on how quickly the slab dries and how humid the basement is. Seal the concrete patch and allow it to dry for several days.

Dap 37584 liquid cement crack filler this liquid cement or concrete crack filler is ideal for narrow cracks on the deck in the basement etc. If the crack requires a second patch then wait for the first layer to dry before applying the second coat. You want the patch to finish with a smooth surface. Repairing a foundation crack in this width range is a simple diy project that involves filling the crack with caulk compatible with concrete such as ge s concrete and masonry silicone ii caulk.

Basic steps for repairing a basement floor crack. Wipe excess patch off the crack with a wet rag. Hairline cracks in the basement floor are superficial and don t require repair. Hairline cracks need no repair and are not indicative of a larger problem.

Certain cracks may be the result of structural damage and might require the help of a professional engineer or foundation specialist. Add water to the resurfacer mix to get the consistency of pancake batter for the concrete crack filler. Smooth the patch with a putty knife. Fill the crack with sand in 2 3 minutes after priming while compound is still tacky.

Follow the manufacturer s instructions to determine the optimum cure time. These cracks are part of the natural drying process for concrete. Pour concrete resurfacing mixture into the crack and smooth it out with a rubber floor squeegee. For longer cracks recruit a helper to pour the sand help scrap or sand afterwards.

If you want to paint the concrete you ll need to wait about a month. Or use up the whole cartridge. Let the patch cure.