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


    Introducing the most flexible chimney liner available: engineered with more ribs between each seam, this liner delivers over twice the flexibility compared to competing brands. It features seven-ply quad-knurled locked seams for unmatched strength, ensuring a 100% leakproof, air- and watertight, unbreakable lock. Crafted from 316L .006 stainless steel, it's suitable for venting oil, gas, wood, or pellet heating systems—a true all-purpose solution. This liner is tested and approved to UL1777 zero clearance standards and comes with a Lifetime Warranty for peace of mind. Proudly made in the USA, it sets the standard for durability, flexibility, and value—you won't find a better chimney liner for the money anywhere.

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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