|GULF-O-SEAL 32-17, Gulf-O-Flex® Duct Sealant is fire-resistive indoor/outdoor vapor barrier sealant for low, medium and high velocity heating and air conditioning ducts. It performs as a tough and flexible adhesive and sealant, forming a durable seal against air leakage when used with or without reinforcing tape or membrane. Mechanical fasteners of the type and number normally used for duct assemblies are required to provide rigidity to the duct system.
• Excellent resistance to weathering.
• Good compatibility with paints and emulsions.
• Can resist mild dew and mold growth.
• Good resistance to water and water vapour.
• Can be used without the use of primer in the new substrate.
• Easy to apply, one component sealant.
• Excellent adhesion to most building substrates.
• Fast drying.
• No mixing required