Red Devil®, a manufacturer of sealants, sealants and hand tools for painters, offers a full line of duct sealants for professional HVAC contractors and home improvement professionals. Its versatile product lines include D-Seal water-based duct sealant and F-Seal 181 water-based duct sealant, both with adhesion for sealing metal and flexible ducts, vents, air conditioning and other HVAC equipment indoors and outdoors.
Designed to be used in conjunction with metal fasteners, Red Devil D-Seal is a smooth, water-based duct seal suitable for all types of HVAC duct systems including metal ducts, fiberglass and duct plates. D-Seal is suitable for commercial HVAC applications and is specifically designed for permanent flexibility and adhesion. It offers water resistance and seal strength, exceeds all SMACNA pressure and sealing classes and is UL 181A-M and BM approved. D-Seal was developed for indoor and outdoor use and is characterized by a fast drying time, resistance to mold and mildew as well as a low VOC content. It is available in gray in 10.1 oz. and 28 ounces. Cartridges, as well as one gallon, two gallon, and five gallon buckets.
The fiber-reinforced F-Seal 181 offers many of the same benefits as D-Seal and features fiber reinforcement for seal strength and processability. F-Seal was developed for sealing fiberboard and flexible ducts and is suitable for indoor and outdoor air ducts. It also offers fast drying time, mold and mildew resistance (after curing), outperforms all SMACNA pressure and sealing classes, and is UL 181A-M and BM approved. F-Seal 181 is designed for sealing jobs of all sizes and is available in white or gray in 28 oz. and 10.1 ounces. Cartridges as well as one gallon, two gallon, and five gallon buckets.
Both D-Seal and F-Seal 181 seal high, medium and low pressure HVAC duct systems, offer UV resistance and contribute to LEED EQ Credit 4.1. For best results, the water-based sewer seals should be applied at temperatures between 40 ° F (and rising) and 110 ° F. Cleaning can be done with water and mild soap.