3M Venture Tape Metal Building Facing Tape 1568CW is a white cold-weather facing tape designed to be used as a vapor seal for faced insulation. This strong, durable tape is tri-directionally reinforced and made of white polypropylene film, scrim and metalized PET. This tape is also designed to perform exceptionally well in low-temperature applications with its cold-weather acrylic pressure-sensitive adhesive, perfect for vapor-sealing faced insulation on buildings. This metalized 2.83 in tape meets standards ASTM C1136 Type II and IV and backing has a perm rating of Perm 0.02. Tape matches Alpha-VR-R. When you need a long-lasting vapor seal for white-faced insulation, count on 3M Venture Tape Metal Building Facing Tape 1568CW.Designed for use as a vapor seal for faced insulation