Protecto Wrap. A pre-laminated air barrier panel system for exterior waterproofing and weatherproofing, factory-assembled Protecto Shield Air Vapor Moisture sheathing marries a 4-foot-by-8-foot panel of DensGlass Gold with 40-mil-thick self-adhering butyl hybrid waterproofing membrane and a white tri-layered laminate HDPE facer. The combination product allows installers to work more quickly and often with a smaller crew, the maker says. 800.759.9727.