Round-to-Round Flex Pipe
Use through damper and smoke shelf area. Built from 304 stainless steel. Use with DuraLiner Two-Ply Insulation Sleeve for zero clearance applications where flex extends into clay liner.
Simpson Dura-Vent relining systems ensure sage and efficient venting of heating appliances while protecting the masonry chimney from the damaging effects of flue product condensation.
Simpson Dura-Vent relining products ensure a correctly sized chimney and, when required, insulate the flue. Relining products maintain a strong draft while supporting proper appliance performance and efficiency.
Simpason Dura-Vent relining systems accomodate most every need and budget.
Duraliner is Simpson Dura-Vent's premium high-temperature masonry relining system. DuraLiner is designed to provide resistance to creosote build-up in oversized masonry chimneys, which is the primary cause of chimney fires. DuraLiner ensures a correctly sized and insulated flue to maintain proper performance and efficiency.
DuraLiner is a double-wall, insulated, all-fuel reliner for masonry chimneys. DuraLiner is listed and approved for installation with zero clearance between the liner and masonry, plus zero clearance between masonry and combustibles. DuraLiner is the best choice for a zero-clearance chimney reling system and is the premier quality relining system on the marker. Simpson Dura-Vent's complete relinging system features all the components needed.
Installers can reduce labor time by 50% or more.
No wrapping, ovalizing, or cutting on the job site.
No investment in special equipment or tools.
Meets UL 1777 standards.
DuraLiner Rigid Pipe
Double-wall stainless stell inner and galvanized outer.
Factory-insulated, eliminates insulating on the job site.
Built-in fittings, pre-drilled holes -- no cutting or drilling required (stainless steel rivets included).
UL Listed to 0" Clearance between masonry and combustilbles, and between liner and mansory.
No spacers needed to maintain clearance in tight offsets or dampers.
Limited Lifetime Warranty.