DESCRIPTION: SOPRASEAL STICK FLASHPRO HT is designed for air and vapour barrier waterproofing applications. It is used as a window flashing membrane and for openings and transitions. The surface is compatible for the use of sprayed polyurethane foam insulation*. *Installed in maximum thickness of 25 mm per pass. SOPRASEAL STICK FLASHPRO HT is a self-adhesive membrane composed of a polymer based adhesive and a polyethylene film facer. The under-face is covered with a silicone release paper. SOPRASEAL STICK FLASHPRO HT can be used in conjunction with SOPRASEAL STICK VP-S FR*. *The use of EQUUS PEEL & STICK PRIMER is recommended to apply over SOPRASEAL STICK VP-S FR. RECOMMENDED SUBSTRATES: This product can be used on most substrates, such as masonry, concrete, wood, gypsum, polyethylene, PVC, metal, aluminium and on house wrap membranes.