All Categories
Get it between 2024-12-03 to 2024-12-10. Additional 3 business days for provincial shipping.
INTERIOR / EXTERIOR USE: Can be used for interior or exterior applications
PREMIUM GRADE: Fiber reinforced formula is easy to apply and dries fast. Made in the USA
UL 181 A-M & B-M CERTIFIED: Exceeds all SMACNA Pressure and Sealing Classes & Contributes to LEED EQ Credit 4.1
USE ON HIGH & LOW VELOCITY DUCT SYSTEMS: Adheres to metal, fiberglass ductboard & flexduct
USE ON: Metal and flexible ducts, vents, air conditioners & HVAC appliances
Red Devil F-Seal 181 is a specially formulated fiber reinforced water based duct sealant/mastic for indoor/outdoor use. Suitable for pressure sealing all types of HVAC duct systems including metal, fiberglass ductboard and flexduct. Made in USA. FEATURES: LEED EQ 4.1 Compliant Indoor/Outdoor Excellent Adhesion Excellent Flexibility Low VOC USE ON: Metal and Flexible Ducts Vents Air Conditioners HVAC Appliances SPECIFICATIONS: UL 181 A-M & B-M certified and can be used on all types of HVAC ductwork. ABOUT RED DEVIL: Red Devil is still a privately-owned family business with state-of-the-art manufacturing facilities in Pryor, Oklahoma. Click on the Red Devil link at the top of this page to visit our Brand Store.