Red Devil’s versatile duct sealants include D-Seal Water-Based Duct Sealant and F-Seal Water-Based 181 Duct Sealant, both offering superior adhesion for sealing metal, flexible ducts, vents, air conditioners and other interior and exterior HVAC appliances.
Designed for use in conjunction with metal fasteners, Red Devil D-Seal is a smooth, water-based duct sealant suitable for all types of HVAC duct systems including metal ductwork, fiberglass and duct board. Ideal for commercial HVAC applications, D-Seal is specially formulated for permanent flexibility and adhesion. It has excellent water resistance and sealing strength, exceeding all SMACNA Pressure & Sealing Classes and is UL 181A-M and B-M approved. Designed for indoor and outdoor use, D-Seal features a fast dry time on high-, medium- and low-pressure systems as well as UV, mold and mildew resistance and low-VOC. D-Seal is available in gray in 10.1 ounce and 28 ounce cartridges, as well as 1, 2 and 5 gallon pails.
Delivering many of the same benefits as D-Seal, Red Devil’s fiber-enhanced F-Seal 181 features innovative fiber reinforcement for superior sealing strength and workability. Formulated for sealing both fiberboard and flexible ducts, F-Seal is ideal for interior and exterior residential ductwork. It also offers a fast dry time, mold and mildew resistance (when cured) and exceeds all SMACNA Pressure & Sealing Classes and is UL 181A-M & B-M approved. Designed for any sized sealing job, F-Seal 181 is available in white or gray in 28 ounce and 10.1 ounce cartridges, as well as 1, 2 and 5 gallon pails.
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