WATER-BASED DUCT SEALANT – WHITE MASTIC

Water-Based Duct Sealant F-Seal 181

F-Seal 181® is specially formulated fiber-reinforced water-based duct sealant for indoor/outdoor use. Suitable for pressure sealing all types of HVAC duct systems including metal, fiberglass duct board, and flex duct.

• Indoor/Outdoor Use
• Fast Dry Time
• Excellent Adhesion
• Excellent Flexibility
• Low VOC
• Exceeds all SMACNA Pressure and Sealing Classes
• Mold and Mildew Resistant
• Seals High, Medium, and Low-Pressure HVAC Duct Systems