Filling Large Cracks In Concrete Patio

Cleaning the crack area.

Filling large cracks in concrete patio.

Concrete crack sealants are specifically made to fill up and repair thin cracks up to half an inch. Ever wondered how to repair large cracks in a concrete patio bigger hairline cracks require an undercut for a quality fix. First use a small hammer and chisel in combination to knock away any. If desired clean the crack with a pressure washer or a garden.

Removing chunks what you never want to do when filling cracks in concrete is to just pour the filler in there. Prepare the cracked area for patching. Remove all debris from the crack using a wire brush. My goal was to create a waterproof concave lip between the wall of the house and the patio and the self leveling sealant obviously not designed for that.

For very large cracks mix a thick paste of standard concrete and thoroughly fill the crack forcing the mixture into the bottom of the crack first. Concrete cracks cannot be patched with concrete since concrete contains aggregate rock pieces that are too large to fit in cracks. Choose your concrete repair product. Choose your concrete repair product.

Instead for cracks up to 1 2 inch wide and 1 4 inch deep you should use a polymer based sanded acrylic latex filler that you inject into the crack with a caulking gun and smooth over with a putty knife. Its recommended to use both a hammer and chisel to enlarge the split enabling the cement mixture firmly to stay in place. Preparing the crack step 1. Once the backer rod is in place the next step is to apply the concrete crack sealant.

Power wash you do want to remove as much dirt and debris from the crack as humanly possible too. Remove all water and. Instead use a concrete. Undercutting of larger cracks.

Step 7 finish epoxy fillers don t require finishing but concrete fillers should be finished with a wood float or metal trowel and then covered for about five days wetting the surface once a day. How to repair wide concrete cracks chisel the crack with a hammer and masonry chisel to widen the base of the crack and to dislodge any loose material from. After hurricane harvey took out a big tree in my driveway and caused some serious cracks i made a time lapse video of fixing them this is not a how too t.