Choose your Brand of Chimney Liner

Simpson DuraLiner is Simpson Dura-Vent's premium high temperature, all fuel masonry relining system.  It is designed to resist creosote buildup in masonry chimneys venting open fireplaces or other appliances.
Simpson DuraFlex SS flexible relining for masonry chimney is for use with wood, gas, pellet, coal, or oil appliances including inserts, furnaces, boilers, and water heaters.
Simpson DuraFlex AL flexible relining for masonry chimney is for use with natural gas or liquid propane category 1, draft hood equipped appliances and appliances tested and listed to use Type B Gas Vent. 
Follow manufacturer recommendations whenever applicable. Never use a chimney liner that is smaller in diameter than the flue size of the appliance it is being connected to. We recommend you study the brochures to become familiar with the product of choice.

DuraLiner Brochure - DuraFlex Brochure