Venture Tape 1540CW COLD WEATHER ASJ is a 9.7 mil (125 m) white kraft paper/scrim/foil (ASJ) lamination coated with Venture's CW cold weather solvent acrylic pressure sensitive adhesive. Specifically designed for use as a vapor seal on ASJ faced duct board and pipe insulation, Venture Tape 1540CW applies easily and excels in demanding temperature and humidity applications, providing superior performance and durability over a wide range of conditions. The facing used on Venture Tape's 1540CW meets ASTM C1136, Type I, II, III, IV.