How To Fill Large Cracks In Concrete Patio

For this project you ll need.

How to fill large cracks in concrete patio.

Then power wash the area and squeegee off the excess water before applying the concrete crack filler. Fill with a polymer modified cement such as quikrete concrete resurfacer no. The secret to fixing wide concrete cracks is to undercut the sides of the crack to give it an inverted v shape. But you have to enlarge the crack photo 1.

Filling small cracks in concrete keeps them from turning into big holes. The consistency of crack sealants is such that it can be used only on horizontal surfaces such as patios garage floors driveways etc. If you know how to fill small cracks in concrete you ll restore your concrete to a smooth finish. If your concrete is the same height on both sides of the crack you can fix it yourself.

This last option works best to fill large cracks or chipped edges while the other products are suitable for cracks in concrete that are inch wide or narrower. Best for large cracks. This helps the repair material to key into the crack creating a mechanical bond in addition to the chemical bond between the patch material and the concrete. 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.

Let the concrete dry before filling the cracks. Concrete crack sealants are specifically made to fill up and repair thin cracks up to half an inch. This technique will work for cracks smaller than 3 8 inch wide in the sidewalk driveway garage floor basement or steps. Fill a pressure washer with a concrete outdoor cleaning solution and apply it at low pressure to stains mold and dirt.

How to repair wide concrete cracks. If you see multiple cracks or some very large cracks i d recommend using this particular method to repair them. Change to a high pressure nozzle on the pressure washer and finishing cleaning the driveway on high power following the instructions on the cleaning solution.