HomeAdvisor’s Chimney Liner Cost Guide provides estimated costs to install and reline stainless steel, aluminum, clay, terracotta and flexible flue lining..The average cost of a stainless steel chimney liner is around $ for a ready to install x foot kit and DIY installation. Professional installation of the same liner kit with insulation is around $,..How much does it cost to reline a chimney? Chimney liner kits come with installation instructions and there are DIY chimney liner installations available .It is an integral part of the chimney system and proper installation is crucial. Professional chimney liner installation is an expensive proposition and can cost anywhere between $, and $,. . Proper Specifications Chimney liners are installed only after obtaining a building permit..
Chimney liners are installed into the flue of your brick or masonry chimney, to restore a sealed vent system in your fireplace or main heating system vent. Chimney liners used today are most commonly made of flexible stainless steel or double wall b vent, and are a cost effective way to repair old smooth mortar walls, or clay .