Ductmate : ENVIROseal

Our Products


Basic Use

Designed for sealing metal joints, UL listed Ductboard & UL listed flexible duct against air leaks in duct systems up to 10” WG.

Product Spec Sheets Material Safety Data Sheets


ENVIROseal is a water-based fiber reinforced, 181 A-M and 181 B-M Listed duct sealant, designed for sealing joints and seams of sheet metal air ducts and UL listed fiberglass or flexible ducts and connectors.

Special Characteristics

  • Indoor/outdoor grade
  • For applications up to 10” WG
  • Low brush drag & spreadability
  • Permanently seals metal duct systems and fiberglass ductboard
  • 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
  • UL 181B-M & UL 181A-M Listed / UL 723 Classified
  • LEED® Compliant, meets all applicable SCAQMD standards
  • Conforms to requirements of NFPA 90A & 90B
  • Manufactured by S.M.W.I.A. Local 12
Learn at Ductmate University

Ductmate's Online University was designed as value added service offered only to Ductmate's Distributors and their respective sales force.

read more