Best Way To Fill Large Cracks In Concrete Driveway

Options include epoxy compounds latex patching material and mortar mixes.

Best way to fill large cracks in concrete driveway.

Another good method for filling up cracks in concrete is to use hydrophobic polyurethane expanding foam. Trowel the compound into the crack. You can either fill the crack with sand leaving inch to the surface of the crack to be filled with the grout or make multiple grout applications that are inch thick allowing adequate time for each application to dry. Fill the crack with concrete repair caulk such as polyurethane concrete crack sealant from quikrete.

This last option works best to fill large cracks or chipped edges while the other products are suitable for cracks in. As you can probably tell by the name of it this material is designed to expand just like insulation foam for walls. Stab the trowel into the compound to remove air pockets and help work the patching material deep into the crack. Fill the crack up to the surrounding concrete surface.

On cracks that are wider than 1 4 push foam backer rod into the crack with a screwdriver so it s 1 2 below the surface then fill the crack with concrete repair caulk. Let the concrete dry before filling the cracks. Wet the crack slightly and begin filling it in with grout applying layers no thicker than inch. This method is great for filling wide and deep cracks.

If the joint is inch or wider you ll want to insert a foam backer rod into the crack first to prevent the sealant from running down and out of the crack. 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. Mix the concrete patching compound following the manufacturer s directions. Next mix up enough quikrete concrete resurfacerwith water in a five gallon bucket to fill the cracks.

A mixing paddle chucked in a drill makes preparing the patching material easy. Fill a pressure washer with a concrete outdoor cleaning solution and apply it at low pressure to stains mold and dirt.