Viper II Double Bond Tape is a high-tack, double-sided butyl tape designed for sealing vapor barrier seams, adhering barriers to walls, and creating a watertight seal. With its strong adhesive and gap-filling properties, this tape is ideal for construction applications like sealing overlaps, foundation walls, and pier installations. It withstands extreme temperatures and resists mold growth, making it perfect for moisture protection in a wide range of environments.