Chimney Liner Installation Instructions https://www.rockfordchimneysupply.com by Rockford Chimney Supply. A step-by-step guide on how to install your stainless steel, flexible chimney liner, an installation that any do-it-yourself homeowner can complete. Both the tee body connection and vertical connection are explained in full detail. Note: Chimney liner insulation purchased separately. Reline ANY chimney with our DIY…