a method of repairing asphalt or concrete surfaces such as roads and parking lots which have developed pot holes therein . the hole is cleaned of loose debris , lined with a water barrier sheet , provided with a reinforcing mesh , and filled with hot asphalt mix . the asphalt mix is compacted by a roller which has been chilled by exposure to a cryogenic substance , such as liquid nitrogen . alternatively , the cryogenic substance directly contacts the asphalt mix . preferably , the reinforcing mesh is further reinforced by flattened rods woven through the mesh or alternatively , laid thereon , with the rods oriented at angles of approximately forty - five degrees to linear structural members of the mesh . the water barrier , reinforcing mesh , and reinforcing rods are preferably formed from recycled plastic materials .