Get matched with top concrete resurfacing pros in Yah-ta-hey, NM

You can dry pour concrete over existing concrete, but it’s best to use wet pour concrete instead. Dry pour concrete is easier to apply, but in order for new concrete to adhere to old concrete, it needs the right mixture for slow, uniform curing. Additionally, dry pour concrete is less durable and less resistant to cracking and concrete sinking, so dry pouring over an existing slab may result in surface imperfections appearing prematurely.

For thin driveway cracks that aren’t widening or lengthening, a polyurethane crack filler is usually the best way to seal the crack and prevent further damage from water and ice. If you have cracks that are more than ⅛-inch wide or driveway cracks that continue to grow, you should call in a professional driveway repair company to fix underlying problems—like insufficient support from the soil underneath—before filling in the cracks. An epoxy sealant is a better option for wider cracks after the surface is leveled and the underlying problem is fixed.

Mix the resurfacer into a sticky mixture. The consistency should look like mashed potatoes. Use a squeegee to push the resurfacer across the pitted area and smoothen the surface with a cement trowel flush. Make sure you protect any expansion joints with a weather strip. Alternatively, cut out any resurfacer that touched the joint once the mixture begins to harden.

The method used to repair cracks in your concrete driveway will depend on the extent of the damage, but the most common method for small cracks is to use a driveway resurfacing compound. This solution is either cementitious or made of polyurethane, and it will seal the crack and make your driveway appear undamaged. 

For more severe cracks, you will likely need to hire a professional driveway repair service. They can use mudjacking, epoxy injections, partial driveway replacements, or a combination of these to fix more serious cracks in your concrete driveway and to prevent recurring issues.