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Rock-Flex Chimney Liner - 3 in. x 15 ft.

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Rock-Flex Chimney Liner - 3 in. x 15 ft.

Rock-Flex Chimney Liner - 3 in. x 15 ft.

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Product Details

Rock-Flex 316Ti .006 Stainless Steel Chimney Liners are air and water tight. 7 ply seams with 10 corrugations per seam provide the best flexibility and strength to contain moisture and flue gases.


Rock-Flex 316Ti Stainless Steel Chimney Liners are air and water tight along with being UL listed for masonry chimneys in the USA and Canada. 7 ply seams with 10 corrugations per seam provide the best flexibility and strength to contain moisture and flue gases. 316Ti is a unique alloy designed to resist acids in the flue and the stresses of hot and cold cycles. Use 316Ti chimney flue liners with wood, pellet, gas, oil, and coal fuels. 100% stainless steel and 100% made in the USA with the highest quality stainless steel. Click here for help with liner size.

Note: The sizes given in the menu below are inside diameters. Add 1/4" for the outside diameter of the liner. Tee connectors require an additional 1/2" of clearance. Measure the inside of your flue before ordering.

Product Details:

Rock-Flex 316Ti .006 Stainless Steel Chimney Liners are air and water tight. 7 ply seams with 10 corrugations per seam provide the best flexibility and strength to contain moisture and flue gases.


Rock-Flex 316Ti Stainless Steel Chimney Liners are air and water tight along with being UL listed for masonry chimneys in the USA and Canada. 7 ply seams with 10 corrugations per seam provide the best flexibility and strength to contain moisture and flue gases. 316Ti is a unique alloy designed to resist acids in the flue and the stresses of hot and cold cycles. Use 316Ti chimney flue liners with wood, pellet, gas, oil, and coal fuels. 100% stainless steel and 100% made in the USA with the highest quality stainless steel. Click here for help with liner size.

Note: The sizes given in the menu below are inside diameters. Add 1/4" for the outside diameter of the liner. Tee connectors require an additional 1/2" of clearance. Measure the inside of your flue before ordering.

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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.
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