Left untreated, cracks will allow rain and moisture to flow through pavement which will eventually weaken the sub-base ultimately resulting in potholes and pavement failure. Cracks that can be effectively repaired using hot crack filler typically will measure an inch wide or less. The cracks are to be cleaned out free of all foreign debris, dirt, gravel, and mud including weeds and moss, once cleaned we will fill the cracks to the top level with the surface. At Lara Asphalt Seal Coating There are no cutting corners with inferior products and equipment, we use the best-rubberized crack fill materials and apply the materials with state of the art crack fill equipment to complete the job the correct way.