CRS is a single component urethane, modified with Micaceous Iron Oxide flakes and fire retardant chemicals. It is especially designed as a waterproofing membrane for all kinds of roofing. CRS is tough and elastic with a high tensile stren
10-520 RUST INHIBITIVE METAL ROOF PRIMER
10-520 offers superior rust protection and adhesion that is unique for an alkyd type primer when top-coated with the Calbar line of roof paints.