Seal, bond, and repair with confidence using this premium pressure-sensitive foil tape. Designed for professional HVAC applications, this UL 181B-FX listed tape provides an airtight, moisture-resistant seal on joints and seams of rigid or flexible duct systems. Featuring a high-tack acrylic adhesive and durable aluminum foil backing, this tape delivers long-lasting performance in demanding environments. The tape remains flexible in both hot and cold temperatures, ensuring consistent adhesion without drying out or delaminating. 2" x 100 ft roll