Duct sealant CCWI-181

- Water-based mastic for duct sealing: CCWI-181.
- Versatile and suitable for all types of metal ducts.
- Applicable to glass fiber duct board and flex duct.
- Built-in polyester reinforcement for exceptional strength.
- Includes UV inhibitors for outdoor use.
- Perfect for various duct systems and flexible tubing runouts.
- Utilizes powerful bonding agents for a reliable seal.
- Resists heat, pressure, and humidity for long-lasting security.