COLAS

hydrocarbon-based chemicals for use in repair and maintenance of roads, airports, canals, dams and building foundations

construction and surfacing materials; namely, bitumen-based asphalt sealant, bitumen asphalt, bituman-based sealants for driveways, bitumen-based sealants for roofing and bitumenous roof coating for use in repair and maintenance of roads, airports, canals, dams and buildings foundations