SwiftAnchor from Westlake Royal Building Products is a high-performance and mechanically fastened base or anchor sheet designed for adhesion to the manufacturer’s Royal TileSeal HT and Royal MetalSeal HT underlayments. The sheet has three layers: A top engineered coating provides adhesion, walkability, and a gasketing moisture barrier; a second layer offers tear-resistance; and a third layer provides grip to the deck and another gasketing moisture barrier. Available in 40-inch-by-300-foot rolls, the sheet can be left exposed for up to 60 days, according to the manufacturer. westlakeroyalroofing.com
