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%.
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
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 are needed
to maintain clearance in tight offsets or dampers. Approved for use in both
the USA and in Canada.
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
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.
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.
5", 6" and 8".
UL Listed to UL 1777 (MH14420), ULC Listed to ULC S635 and ULC S640
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.