Super Alcor Bitumen Coated Dampcourse 300mmx30mSuper Alcor Bitumen Coated Dampcourse 300mmx30m The Vespol Alcor Dampcourse Standard is a bitumen coated, fully annealed 99% pure aluminum core damp course. This product is designed to prevent lateral corrosion and rising dampness, making it an ideal solution for brickwork and blockwork. The aluminum core is coated with bitumen on both sides and edges to ensure a long lifespan and prevent any damage from moisture. Additionally, Alcor is non slip,