Stainless Flexible Chimney Liner Only

Use our Flexible Stainless Steel Chimney Liners to reline your masonry chimney venting Wood, Pellet, Gas, Oil, and Coal burning appliances. 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. Rock-Flex flexible chimney liners are fabricated with high grade stainless steel, air and water tight and are UL 1777 listed. Most installations require a chimney liner kit.

Learn about Stainless Flexible Chimney Liner Only

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Round Flexible Flue Liner Only

From$259.99

Round Flexible Flue Liner Only

Applications: Installed in a masonry chimney venting Wood, Pellet, Gas, Oil, and Coal burning appliances Rock-Flex 316Ti .006 Stainless Steel Chimney Liners are air and water tight along with being UL listed in the USA and Canada. 7 ply seams with 10 corrugations per seam provide the best flexibility and... Read More

Premium Smooth Wall Chimney Liner Only

From$511.99

Premium Smooth Wall Chimney Liner Only

Applications: Installed in a masonry chimney venting Wood, Pellet, Gas, Oil, and Coal burning appliances.  Superior flexibility makes the Premium Smooth Wall liner easy to install. When chimney flues make multiple bends and offsets, the heavy duty Premium Smooth Wall liner is able to easily navigate the offsets and is... Read More

Pre-Insulated Flexible Chimney Liner Only

From$592.99

Pre-Insulated Flexible Chimney Liner Only

Applications: Installed in a masonry chimney venting Wood, Pellet, Gas, Oil, and Coal burning appliances.  316Ti Inner Stainless Steel Pre-Insulated Chimney Liner is made in the United States. Used for fuel applications such as wood, pellet, oil, non-condensing gas, and coal. Air and water tight, manufactured with the highest quality... Read More

Smooth Wall Flexible Flue Liner Only

From$249.99

Smooth Wall Flexible Flue Liner Only

Applications: Installed in a masonry chimney venting Wood, Pellet, Gas, Oil, and Coal burning appliances Our Rock-Flex Deluxe Smooth Wall 316 stainless steel chimney liner is gaining in popularity for gas and oil appliances due to its superior flexibility and increased BTU capacity. Its smooth interior design allows for more... Read More

Oval Chimney Liner (Liner Only)

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Oval Chimney Liner (Liner Only)

Our 316Ti .006 stainless steel oval chimney liners are air and water tight. This flue liner features 7 ply seams, rated number one in the industry for strength. Our oval chimney liners are UL listed in the United States 1777 and ULC Canada 365. They are made of the very... Read More

Rectangle Chimney Liner (Liner Only)

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Rectangle Chimney Liner (Liner Only)

Our 316Ti .006 rectangular stainless steel chimney liners are air and water tight. This flue liner has 7 ply seams, rated number one in the industry for strength. Our rectangle chimney liners are UL listed in the United States 1777 and ULC Canada 365. They are made of the very... Read More

Square Chimney Liner (Liner Only)

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Square Chimney Liner (Liner Only)

Our 316Ti .006 stainless steel square chimney liners are air and water tight. This flue liner has 7 ply seams, rated number one in the industry for strength. Our square chimney liners are UL listed in the United States UL1777 and ULC365 in Canada. They are made of the very... Read More

Rock-Flex Flexible AL294C Chimney Liners

From$574.99

Rock-Flex Flexible AL294C Chimney Liners

APPLICATIONS: HIGH EFFICIENCY - Boilers, Oil, Gas, Furnace, and Corn burning stove units Since 1983, furnace and vent manufacturers have specified AL29-4C alloy in high efficiency furnace and venting designs (typically 86% or greater efficiency). High efficiency furnaces extract so much heat from the exhaust that the highly acidic water... Read More

Learn About Stainless Flexible Chimney Liner Only

Rock-Flex corrugated chimney liners are fabricated with 316Ti .006 stainless steel, have 7 ply seams with 10 corrugations per seam, air and water tight, and provide the best flexibility and strength to contain moisture and flue gases. Our Smooth Wall Deluxe chimney liners are fabricated with 316L .013 stainless steel and have 7 ply seams with 2 inner linings. Use our flexible chimney liners inside a masonry chimney with stoves, fireplaces, inserts and more. Round flue liners are the most common type of flexible liner. In the case that you can't fit the ideal size round liner down your flue, a shaped liner is the next best choice. If you have questions, please contact us! We'll be glad to help you choose the correct size chimney liner.

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Our 316Ti flexible chimney liner and chimney liner components have passed the rigorous testing at the Underwriters Laboratories with best in class status and are UL Listed. So if you are looking for UL listed chimney liner sold directly to homeowners, then look no further than Rockford Chimney

Customer Testimonials

Back in July you gave me excellent advice re. sizing/purchasing a flue liner for the chimney associated with my wood stove. I'd like to thank you once agai... More

—AE Northfield, MN

A few weeks ago I ordered a chimney liner system for my fireplace insert. Your salesman recommended the liner system plus the insulating blanket. I just wa... More

—AH Happy customer

Just got around to installing my new smooth flexible liner and deluxe terra cotta cap (wow). The quality of your product is second to none. Very pleased an... More

—B.B. from Massachusetts

Thanks so much for the great tech service from Dennis, very knowledgable, friendly and proffessional.Your website is the best, beats your competition by fa... More

—Bill in Knoxville

Sue and Dennis, I received the final part of my order yesterday (the chimney cap that actually fits over the chimney chase). It looks wonderfu... More

—CC, VA

Hello, I was shopping for an fireplace insert and called RCS to ask why they were so much cheaper than my local guy, the reply was " we sell thousand of th... More

—Chris, PA.