UL 1777|ULC S635

• Installers reduce labor time by 50% or more with DuraLiner, no time wasted wrapping insulation around liner for UL 1777 approval No spacers needed to maintain clearance in tight offsets or dampers Single wall construction Use as a insert connector to DuraLiner® Features built-in fittings for easy connection to DuraLiner®

DuraLiner® ensures safe and efficient venting of heating appliances, while protecting the masonry chimney from the damaging effects of flue gas. It is the only factory insulated product with zero/zero clearance for high heat wood burning appliances. No need to uncoil flex, insulate a majority of the pipe or protect the insulation when installing. A smooth inner means less creosote buildup.