1.89" wht sheathing tape. Aggressive solvent based acrylic based pressure sensitive adhesive, combined with the conformability and flexibility of polypropylene film, provides superior sealing, protective benefits, and ease of handling. Use for permanent seaming and sealing of joints in foam insulation and other sheathing materials, to secure lap edges in house wraps and other vapor barriers, repair rips and tears in roll and batt insulation, construction films, and membranes. Eliminates drafts around window and door openings. Superior bonding at sub-zero (as low as -40 deg.) or at elevated temperatures. Resistant to mold growth and high humidity. Do not apply to wet surfaces (facing or wood).