Rubber in a can from Alvin Products patches, seals and protects leaky roofs and gutters. This product is available in a ready to use aerosol can. Rubber in a can can be used to repair damaged shingles, roofs and asphalt surfaces. Rubber in a can will also seal cracks around pipes and chimney on roofs. Rubber in a can will provide protection on flashings and can be used as a crack filler on any roof. Fix any roof top on a house, RV, mobile home, trailer with rubber in a can from Alvin Products. Roof patching can be used from a single can.