Plastering Vapor Barrier Butyl Tape is a kind of waterproof and moisture-proof tape that effectively prevents water vapor from penetrating into the insulation layer of the building interior by hot-melt lamination of butyl tape and vapor barrier membrane. As a self-adhesive waterproof vapor barrier membrane, it is mainly used in the maintenance structure of ultra-low energy buildings, the inside of doors and windows, as an airtight vapor barrier material, and the surface can be plastered directly.