Delta Duct 32-17 is aqua based, vapor barrier fire resistant sealant for low, medium, and high pressure or high-velocity metal, fiberglass, and flexible heating and air conditioning air ducts. It is specially formulated to meet Middle East weather conditions. It is highly elastic in nature. It has excellent adhesion to metal, aluminum, etc. This exhibits excellent strength, flexibility, and resistance to heat and cold. It performs as a tough and flexible adhesive and sealant, forming a durable seal against air leakage.