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7'' Chimney Liner

Bring New Life & Vitality to Your Chimney with a Lifetime Chimney Lining System


Lifetime chimney liners feature a patented gas-tight interlock system that is unsurpassed in strength. Each Lifetime Chimney Lining System is engineered for long-lasting durability, offered at an economical price that every homeowner can easily afford and fully covered by Lifetime Chimney's lifetime warranty, even if you install it yourself!

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Choose your Brand of Chimney Liner

Lifetime Chimney Liner - Lifetime Chimney Liners are strong, flexible liners that are constructed with 316L grade stainless steel. They are intended for use with masonry chimneys venting appliances that burn home heating oil, LP or natural gas and solid fuels including wood, coal and pellets. This brand is recommended for Do it Yourself Homeowners, as well as professional installers

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 DuraFlex SS is recommended for professional installations.

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. DuraFlex AL is recommended for professional installations

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.