Polyken® 629 Seam & Seal™ Contractor Grade Sheathing Tape is a durable BOPP film tape designed for sealing, seaming, and protecting housewraps, vapor barriers, and exterior wall sheathing systems. Featuring an aggressive acrylic adhesive, it provides a long-lasting bond that resists lifting and flagging while maintaining excellent performance in demanding indoor and outdoor environments.
Its tough, hand-tearable BOPP backing offers excellent durability, mold and moisture resistance, and UV resistance for outdoor installations up to 180 days. The acrylic adhesive performs reliably in cold temperatures, high heat, and high humidity, making it an excellent choice for year-round construction projects.
Polyken® 629 is ideal for sealing housewrap overlaps, exterior sheathing joints, window and door flanges, vapor barriers, and repairing jobsite damage to wall sheathing and insulation systems.