Best Way To Fill Large Cracks In Concrete Driveway

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.

Best way to fill large cracks in concrete driveway.

Next mix up enough quikrete concrete resurfacerwith water in a five gallon bucket to fill the cracks. Fill a pressure washer with a concrete outdoor cleaning solution and apply it at low pressure to stains mold and dirt. Let the concrete dry before filling the cracks. Another good method for filling up cracks in concrete is to use hydrophobic polyurethane expanding foam.

As you can probably tell by the name of it this material is designed to expand just like insulation foam for walls. Be sure to clean the crack. 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. Trowel the compound into 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. This method is great for filling wide and deep cracks. 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.

Watch this video to find out more. A mixing paddle chucked in a drill makes preparing the patching material easy. Be sure to clean out the cracks out as well removing any dirt or loose concrete so the patching material will adhere to the concrete. Fill the crack up to the surrounding concrete surface.

Options include epoxy compounds latex patching material and mortar mixes. Stab the trowel into the compound to remove air pockets and help work the patching material deep into the crack.