Premium Duct Sealant – FIBERseal® Water-Based Fiber HVAC Duct Sealant To seal metal and metal joints against air leaks in low, medium, and high-pressure duct systems. Description FIBERseal is a premium quality, high-velocity, water-based duct sealant with fiber reinforcement. Special Characteristics UL GREENGUARD GOLD Certified UL 181B-M Listed / UL 723 Classified Indoor/outdoor grade For applications up to 15” WG Low brush drag and spreadability Permanently seals metal duct systems Highly crack resistant Remains flexible Excellent UV, flexibility, mold resistant, and water-resistant properties Paintable with latex based paint Will not drip or sag Mild odor LEED® Compliant, meets all applicable EPA Method 24, CDPH, and SCAQMD standards Qualifies for LEED® Credit EQ 4.1 Conforms to requirements of NFPA 90A and 90B Manufactured by SMART Local 12 Technical Information CHEMICAL TYPE:Synthetic Latex - Fiber reinforced COLOR:Gray ODOR:Mild (wet) None (dry) VOC CONTENT: EPA Method 24Pass - Very Low TVOC EMISSIONS: CDPH Standard Method v1.2Private Office - Pass School Classroom - Pass DENSITY:11.2 /- 0.3 lbs per gallon SOLID CONTENTS:62% /- 2% VISCOSITY:275,000 /- 25,000 cP APPLICATION TEMPERATURE:35°F to 110°F SERVICE TEMPERATURE:-25°F to 220°F STORAGE TEMPERATURE:35°F to 110°F DRY TO TOUCH:1 hour (approximate) CURE TIME:24 to 72 hours Depending on humidity, application, and temperature FLEXIBILITY: ASTM D522 (1/8" Mandrel Bend)Pass MOLD RESISTANCE: UL 181B Mold & Humidity TestPass FREEZE THAW STABILITY:Pass ADHESION STRENGTH: UL 181B Peel AdhesionPass - Exceeds Standards COVERAGE:25 sq. ft./gal. at 1/16" 50 sq. ft./gal. at 1/32" SHELF LIFE:1 year (unopened container) Related Resources To view all related resources you must log in or request access. Spec Sheets FIBERseal Spec Sheet FIBERseal GREENGUARD Gold Certification Spec Sheet Safety Data Sheets FIBERseal SDS MDS Sheet Related Products PROseal® Duct Sealant PROseal® Spray Duct Sealant EVERseal™ Duct Sealant EZ-Seal® Duct Sealant SOLVseal™ Duct Sealant
