LARGE 3” x 164 FT SIZE – Covers long ductwork or insulation seams with a single roll. Designed for HVAC, plumbing, and metal repair projects, offering complete coverage for sealing, wrapping, or joining pipes and insulation layers securely. REINFORCED ALUMINUM FOIL BUILD – Made from 0.005" thick aluminum foil with diamond-weave fiberglass mesh for superior tear resistance. Handles high and low temperatures, moisture, and UV exposure without peeling or losing adhesion. STRONG HEAT-RESISTANT ADHESIVE – Features high-tack acrylic adhesive that holds firmly even in extreme environments. Withstands temperatures from -86°F to +176°F, ideal for sealing hot or cold air ducts and reflective insulation systems. EASY TO TEAR AND APPLY – Can be torn by hand or cut with scissors, eliminating the need for special tools. The paper backing peels off smoothly, ensuring a clean, simple, and mess-free installation for any DIY or professional repair task. MULTI-PURPOSE METAL SEALER – Perfect for HVAC ducts, pipe insulation, exhaust wrap, or reflective insulation. Bonds to metal, plastic, and fiberglass surfaces, helping prevent air leaks, save energy, and maintain consistent airflow. Vent systems works with manufacturers, markets and distributes products and system solutions for simplified construction and improved indoor climate. // The products are characterised by their quality, ease of assembly and consideration towards the environment. // We simplify construction // At Vent Systems, we simplify construction because it is in human nature to build. By simplifying in every stage, we make it easier to install seamlessly. We develop products with people in mind. We offer solutions that meet the demands for comfort, simplicity and aesthetics. // We are driven by a strong passion and desire to continuously offer improvements. // Partly for all the customers and partners who use our products and solutions, but also for the people who live and work in buildings that uses our products. We simplify construction and help to create a healthy indoor climate. // Ideal for all tumble dryer vent pipes / hoses, bathroom extractors & vents, air conditioning and heating units, kitchen vents & fans, all home wall and ceiling vents, heat transfer and ventilation systems, gas & electric dryers, cooker hood extractors, as well as a wide variety of industrial uses.