"Classic" liner is an all fuel liner made from 316 stainless steel for wood, coal, oil, corn and gas and is designed to reline existing chimneys or to be used in new construction. Chimney Products, Inc "Classic" Flue Flex liner is manufactured from the highest grade mill certified stainless steel alloy. It is made from a continuous strip of 7-ply stainless steel that is interlocked and crimped to produce a gas and watertight lining system of superior strength and durability. It's corrugated construction allows for expansion and contraction during the heat up and cool down periods, removing any stress on the system.

For a more rigid option check out our Flue Flex "Classic" liner in .006 Gauge Stainless Steel also.

Lifetime transferable warranty (when properly maintained by a chimney professional) UL Listing UL1777,64 & 441

Also available in lengths of 50' and opening diameters of 13", 14" 16", & 18". Check catalog or call for more information on those sizes.