DuraVent DuraLiner 6" x 18" Round Extend-A-Cap Kit fluid-concrete Simple Technician

Simple Technician

Suppresses chimney fires in an average time of just 22 seconds

Fuel Type: Natural Gas and Propane Gas

Sealed Combustion Chamber Maintains Indoor Air Quality

DuraVent DuraLiner 6" x 18" Round Extend-A-Cap Kit fluid-concrete Simple TechnicianDuraLiner 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