Smooth Wall Flexible Flue Liner Only

Intended for use in masonry chimneys and compatible with Wood, Pellet, Gas, Oil, and Coal burning appliances, our Rock-Flex Deluxe Smooth Wall 316 stainless steel chimney liner is highly sought after due to its exceptional flexibility and increased BTU capacity.

With its smooth interior design, it offers up to 20% more airflow and is UL listed in both the USA and Canada.

Made of durable 7 ply 316 stainless steel with 2 inner linings, it accommodates all types of appliances, including wood, pellet, gas, oil, and coal burning. Additionally, it can be used with all of our round liner components and is proudly made in the USA from high-quality stainless steel.

For sizes that cannot be coiled into one length, a quick connector is provided to join the flex liner sections (9" through 12" diameter x 30 ft through 50 ft).

We also offer Chimney Liner Kits for your convenience.