The G.A.P. Roofing WaterGuard™ Self-Adhered MetalGuard HT is a slip-resistant polyolefin film surface sheet with an SBS bituminous adhesive back side incorporating a poly split release liner, for ease of application. This high temperature resistant formulated material is ideal for use under metal roofing and other high temperature roofing requirements. This material is also ideal for mechanically fastened tile and direct -to-deck synthetic roofing materials.