ARDEX Bituminous Roof Sealant is a one component, easy-to-use, UV-stable sealant with bitumen-based solvents. It is used for gluing and sealing on roofs. It is ideal for fast repairs of cracks, holes and fractures on roofs and between old bitumen membranes and can be applied over a multitude of surfaces including tin, aluminium, copper, brass, ceramic, bitumen, concrete, plasters, roof tiles and plaster tiles without the use of a primer.