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.
