Venture Tape FSK Facing Tape 3 in x 150 ft - 1525CW.NT-N007 FSK facing meets ASTM C1136&#44; type II and IV. Tri-directionally reinforced 2 x 3 squares per in. fiberglass scrim&#44; UL listed FSK lamination. High performance insulation tape is ideal for use as a vapor seal for reinforced fiberglass or mineral Venture CW cold weather solvent acrylic adhesive performs well over a wide temperature range. Size - 2 in. x 150 ft.