Duct Systems

K-Flex USA's K-Flex Duct Liner / Duct Wrap products are closed cell, non-porous, non fibrous, mold resistant, low water vapor permeability insulation materials that make an ideal choice for duct wrap and duct lining applications. K-Flex Duct Liner / Wrap Sheet products are IAQ friendly and provide insurance against mold and mildew problems, a growing area of liability concerns. K-Flex USA R4 and R8 sheets meet the requirements of the International Energy Conservation Code for duct liner and duct wrap applications. K-Flex USA duct liner is available in a full range of roll widths with or without a pressure sensitive adhesive backing for cost effective sheet metal shop installation. K-Flex USA duct liner is available with factory-applied cladding systems to enhance outdoor performance while reducing installed system cost.