Filling Large Cracks In Concrete Patio

Cleaning the crack area.

Filling large cracks in concrete patio.

Removing chunks what you never want to do when filling cracks in concrete is to just pour the filler in there. Remove all water and. Choose your concrete repair product. Power wash you do want to remove as much dirt and debris from the crack as humanly possible too.

Instead use a concrete. 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. Note that there s another variety that is self leveling which i decided wasn t appropriate for my needs. 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 crack sealants are specifically made to fill up and repair thin cracks up to half an inch. If desired clean the crack with a pressure washer or a garden. 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. 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. 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. Once the backer rod is in place the next step is to apply the concrete crack sealant.

First use a small hammer and chisel in combination to knock away any. 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. The consistency of crack sealants is such that it can be used only on horizontal surfaces such as patios garage floors driveways etc. Ever wondered how to repair large cracks in a concrete patio bigger hairline cracks require an undercut for a quality fix.

Remove all debris from the crack using a wire brush. Concrete surfaces cannot be repaired with concrete. Prepare the cracked area for patching.