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Flexible Chimney Liners

Rock-Flex flexible chimney liners are fabricated with high grade stainless steel and have 7 ply seams with 10 corrugations per seam making them air and water tight. The Deluxe Smooth Wall liner is fabricated with 7 ply seams and 2 inner linings (.013 thickness). All of our Rock-Flex liners are made with 100% stainless steel and 100% made in the USA. Stainless steel flexible chimney liners are installed inside brick masonry chimneys for use with stoves, fireplaces, inserts, furnaces, boilers, water heaters and more.
Need help with liner sizing? Try our Chimney Liner Size Calculator.

    Personalize your Stainless Steel Flexible Chimney Liner Kit with all the components needed for your setup. Every chimney is different, that's why we give you the freedom to choose which components to include in your chimney liner kit. All of the components have a simple quick locking band and only requires a screwdriver to install. We offer a large selection of flexible chimney liners, such as 316Ti Rock-Flex Stainless Steel multi-fuel liners, Smooth Wall, Pre-Insulated, Oval, Square and Rectangle. All components are high quality stainless steel and made in the USA, UL Certified, and have Lifetime Warranties. Our liners are code compliant for masonry chimneys.

    316Ti Flexible Chimney Liner Kits

    Personalize your Stainless Steel Flexible Chimney Liner Kit with all the components needed for your setup. Every chimney is different, that's why we give you the freedom to choose which components to include in your chimney liner kit. All of the components have a simple quick locking band and only requires a screwdriver to install. We offer a large selection of flexible chimney liners, such as 316Ti Rock-Flex Stainless Steel multi-fuel liners, Smooth Wall, Pre-Insulated, Oval, Square and Rectangle. All components are high quality stainless steel and made in the USA, UL Certified, and have Lifetime Warranties. Our liners are code compliant for masonry chimneys.

    316Ti Flexible Chimney Liner Only

    Rock-Flex flexible chimney liners are fabricated with high grade stainless steel, air and water tight and are UL 1777 listed. We offer a large selection of flexible chimney liners, such as 316Ti Rock-Flex Stainless Steel multi-fuel liners, Smooth Wall, Pre-Insulated, Oval, Square and Rectangle.

    Components for 316Ti Flex Liner

    Our flexible chimney liner system components are manufactured using prime certified stainlesss steel. Our Rock-Flex chimney liner components feature quick connect band clamps for a tight, secure connection that are extremely easy to install. If you need an extra part or different size, we offer a large selection of individual components for your installation.