Premium Forever Flex .005 316Ti Pre-Insulated

Premium Forever Flex .005 316Ti Pre-Insulated is a top-tier pre-insulated chimney liner engineered for superior performance, flexibility, and ease of installation. Featuring a 316Ti-alloy stainless steel interior and a 409 stainless steel exterior, this liner delivers exceptional strength while remaining incredibly lightweight and easy to handle. Its low-memory design and extreme flexibility make uncoiling and maneuvering through tight flue spaces quick and hassle-free, saving valuable installation time.

Designed for use with standard Forever Flex components, this liner includes a built-in 1/2" blanket insulation layer, providing added thermal protection and supporting all fuel types—including wood, pellet, oil, non-condensing gas, and coal. Whether you're upgrading an existing flue or lining a new chimney, Premium Forever Flex offers long-lasting durability, safe venting, and outstanding installation convenience in even the most demanding environments.