A chimney liner is a stainless steel pipe that from runs from your fireplace, insert or stove, through your chimney to the roof. Chimney liners are installed when it determined that the lining of your chimney flue is either cracked or in some other way damaged.
As our gas-tight and insulated for highest efficiency. Chimney liners can solve most safety and drafting issues on older or fire damaged chimney flues.