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DuraLiner Chimney Liner

DuraLiner Chimney Liner

DuraLiner chimney liner is a high-temperature, insulated, double-wall masonry relining system for use with appliances fueled by gas, pellet, oil, wood or coal. DuraLiner safely protects masonry chimneys from the damaging effects of flue product condensation. DuraLiner is the only factory insulated product with zero/zero clearance for high heat wood burning appliances. Using DuraLiner eliminates the need to uncoil flex, insulate a majority of the pipe or protect the insulation while installing and it reduces installation time by up to 50%.
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DuraLiner Chimney Liner

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. 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. Approved for use in both the USA and in Canada.



DuraLiner Catalog          DuraLiner Installation Instructions   

Applications High-temperature, insulated double-wall masonry relining system for use with appliances fueled by gas, pellet, oil, wood, or coal. It safely protects masonry chimneys from the damaging effects of flue product condensation. Materials and Construction .016” 304 Stainless steel inner liner. Rigid relining pipe: double-walled with 304 stainless steel inner and galvalume outer. Factory insulated between inner and outer walls. DuraLiner Rigid Pipe in round or oval, is constructed with built-in fittings and pre-drilled holes (stainless steel rivets included).
Round 5” DuraLiner rigid pipe is constructed with built-in twist-lock and pre-drilled holes.  Clearances Rigid double wall: 0” clearance between the liner and masonry and 0” clearance between the masonry and combustibles. DuraLiner Flex: 1” clearance to masonry. Zero clearance with insulation. Diameters 5", 6" and 8". Listings UL Listed to UL 1777 (MH14420), ULC Listed to ULC S635 and ULC S640 (CMH1329). Warranty Limited Lifetime Manufacturer's Warranty - DuraVent warrants that its products will be free from substantial defects in material or manufacturing, if properly installed, maintained and used.

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