With the C.I.S. (Centering & Insulation System) process your  chimney professional can install your metal chimney liner to the highest standard possible. For maximum protection, conformity, and peace of mind, don’t settle for anything less.

Properly installed, C.I.S. provides:

  • Full compliance with manufacturer’s specifications

  • Full compliance with International Residential Code 2006

  • Full compliance with Underwriter’s Laboratory UL 1777  Standard For Chimney Liners

Is Your Chimney Liner Installed As Safely As Possible?