Repairing Concrete Basement Floor Cracks

Smooth the patch with a putty knife.

Repairing concrete basement floor cracks.

Most cracks are not serious and can be sealed back up by the handy homeowner fairly easy. This will weld the crack together creating an excellent basement floor repair. Doing will ensure there is no loose concrete along the edges of the crack. Here s a list of the simple steps that you need to follow for using a concrete patch to fix the basement floor.

Start by taking a hammer and chisel and tapping any rounded edges around the crack or hole to make them straight which will help the mortar stick better. Small cracks in the basement floor commonly result from shrinkage as the concrete dries which pulls the concrete apart. Basic steps for repairing a basement floor crack. Using a hand grinder i leveled the floor on each side of large crack and widened it to the wide of the grinder.

Clean out the cellar floor crack with a vacuum remove any loose cement or aggregates. This helps to prevent the patch from popping loose. Seal the concrete patch and allow it to dry for several days. 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.

Use a chisel and hammer to undercut the sides and level the bottom of the hole accurately. Apply a concrete patch to the crack making sure there are no gaps or uneven areas. If your cracks are fairly large chisel all the concrete that is loose around the crack. If you think the concrete floor is done moving you can repair those cracks and the shrinkage cracks with an epoxy material you inject into the crack and add a silica sand for a filler.

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. Be they straight jagged or spiderweb like fine cracks in the basement floor commonly result from surface shrinkage as. It is a good idea to seal any cracks that are at least 1 8 inch or wider to keep insects moisture and soil borne gases from seeping up through the basement floor and into your home. You can repair a concrete floor by cleaning and straightening the damaged area and then filling it with mortar.

How do i fix a crack in my concrete basement floor. How to patch cracks in concrete basement floors. Then i filled the deep cracks with cheap fine.