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    Flex-All™ Single Ply S/S Chimney Liner Coils


    Discover the most flexible chimney liner on the market, engineered with extra ribs between each seam to provide over twice the flexibility of competing brands. Constructed with robust seven-ply quad-knurled locked seams, this liner ensures exceptional strength with a 100% leakproof, air- and watertight seal that won’t break. Made from premium 316L .006 stainless steel, it is suitable for venting oil, gas, wood, and pellet heating systems, making it a versatile, all-purpose chimney solution. Tested and approved to UL1777 standards, this liner guarantees safe, reliable performance. Backed by a Lifetime Warranty and proudly manufactured in the USA, it delivers unmatched durability, flexibility, and value—providing the best chimney liner solution available for your money.

    30 Items

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    3"x 15 ft Single Ply Chimney Liner
    3"x 15 ft Single Ply Chimney Liner $145.95
    3"x 20 ft Single Ply Chimney Liner
    3"x 20 ft Single Ply Chimney Liner $175.95
    3"x 25 ft Single Ply Chimney Liner
    3"x 25 ft Single Ply Chimney Liner $225.95
    3"x 30 ft Single Ply Chimney Liner
    3"x 30 ft Single Ply Chimney Liner $265.95
    3" x 35 ft Single Ply Chimney Liner
    3" x 35 ft Single Ply Chimney Liner $295.95
    4"x 15 ft Single Ply Chimney Liner
    4"x 15 ft Single Ply Chimney Liner $175.95
    4"x 20 ft Single Ply Chimney Liner
    4"x 20 ft Single Ply Chimney Liner $218.95
    4"x 25 ft Single Ply Chimney Liner
    4"x 25 ft Single Ply Chimney Liner $270.95
    4" x 30 ft Single Ply Chimney Liner
    4" x 30 ft Single Ply Chimney Liner $325.95
    4"x 35 ft Single Ply Chimney Liner
    4"x 35 ft Single Ply Chimney Liner $379.95
    5"x 15 ft Single Ply Chimney Liner
    5"x 15 ft Single Ply Chimney Liner $199.95
    5"x 20 ft Single Ply Chimney Liner
    5"x 20 ft Single Ply Chimney Liner $235.95
    5"x 25 ft Single Ply Chimney Liner
    5"x 25 ft Single Ply Chimney Liner $295.95
    5" x 30 ft Single Ply Chimney Liner
    5" x 30 ft Single Ply Chimney Liner $355.95
    5"x 35 ft Single Ply Chimney Liner
    5"x 35 ft Single Ply Chimney Liner $405.95
    5.5"x 15 ft Single Ply Chimney Liner
    5.5"x 15 ft Single Ply Chimney Liner $209.95
    5.5"x 20 ft Single Ply Chimney Liner
    5.5"x 20 ft Single Ply Chimney Liner $248.95
    5.5"x 25 ft Single Ply Chimney Liner
    5.5"x 25 ft Single Ply Chimney Liner $315.95
    5.5" x 30 ft Single Ply Chimney Liner
    5.5" x 30 ft Single Ply Chimney Liner $378.95
    5.5"x 35 ft Single Ply Chimney Liner
    5.5"x 35 ft Single Ply Chimney Liner $440.95
    6"x 15 ft Single Ply Chimney Liner
    6"x 15 ft Single Ply Chimney Liner $235.95
    6"x 20 ft Single Ply Chimney Liner
    6"x 20 ft Single Ply Chimney Liner $265.95
    6"x 25 ft Single Ply Chimney Liner
    6"x 25 ft Single Ply Chimney Liner $315.95
    6" x 30 ft Single Ply Chimney Liner
    6" x 30 ft Single Ply Chimney Liner $395.95
    6"x 35 ft Single Ply Chimney Liner
    6"x 35 ft Single Ply Chimney Liner $465.95
    3"x 5 ft Single Ply Chimney Liner
    3"x 5 ft Single Ply Chimney Liner $55.95
    4"x 5 ft Single Ply Chimney Liner
    4"x 5 ft Single Ply Chimney Liner $65.95
    5"x 5 ft Single Ply Chimney Liner
    5"x 5 ft Single Ply Chimney Liner $75.95
    5.5"x 5 ft Single Ply Chimney Liner
    5.5"x 5 ft Single Ply Chimney Liner $79.95
    6"x 5 ft Single Ply Chimney Liner
    6"x 5 ft Single Ply Chimney Liner $85.95