🔒 Seal the Deal with Confidence! Contributes to better indoor air quality and energy savings. Engineered for heavy-duty performance in any weather. Tested for safety and efficiency, meeting industry standards. Perfect for HVAC systems, vehicles, and home repairs. Seals leaks and cracks in seconds, saving you time and money. Eco-friendly certified 17 mil thickness Waterproof seal The Nashua 360-17 Heavy Duty Foil/Butyl Rubber Tape is a robust 17 mil thick tape designed for sealing and repairing a variety of surfaces, including HVAC systems and vehicles. With its waterproof properties and excellent adhesion, it ensures a long-lasting, watertight bond, making it an essential tool for both indoor and outdoor applications. Certified for safety and eco-friendliness, this tape not only enhances your repairs but also contributes to a healthier environment.