The Red Devil 0841DX F-Seal 181 is a fiber-reinforced water-based duct sealant. It is designed for use in HVAC systems and is UL 181 A-M and B-M certified. This duct sealant is suitable for multiple types of ducts, including metal, fiberglass, and flexible options. The formula is fast-drying and low in volatile organic compounds, making it safe for various applications. It exceeds SMACNA Pressure and Sealing Classes, suitable for high, medium, and low-pressure systems.
Fiber-reinforced for reliable sealing, improving energy efficiency in HVAC systems
UL certifications ensure compatibility with metal, fiberglass, and flexible ducts
Weather-resistant, making it suitable for indoor and outdoor use
Product Highlights
The duct sealant is ideal for HVAC professionals needing effective sealing solutions.