Get the same quality Forever Flex liners have always been known for with a new twist. Pre-Insulated ForeverFlex chimney liners are traditional 316-Ti alloy flexible chimney liners with a 1/2" insulation wrap already installed, with an additional stainless steel outer protective liner, all in one pre-made package.
Stainless Steel Inner and Outer Liners
1/2" Insulation provides Zero/Zero clearace requirements in masonry chimneys
Manufacturers "Forever Warranty" (for wood and pellet only) **