UL Listed

• For use with category II, III or IV gas burning appliances as defined by the national fuel gas code, NFPA 54 or other appliances that result in condensation or corrosive acids on the liner of the chimney or that create positive pressures in the chimney system Z-Flex® liner is manufactured by using a dead soft aluminum strip which is spirally wound and mechanically joined together forming an airtight and leakproof triple Lock® seam Z-Flex® specially designed deep corrugations provide for greater flexibility and ease of installation, the result is a clearly superior product offering incredible longevity

Z-Flex® aluminum chimney liner kits come complete with everything you need to quickly and easily install a professional venting system. Z-Flex® liner is manufactured by using a dead soft aluminum strip which is spirally wound and mechanically joined together forming an airtight and leakproof triple lock seam. Z-Flex® specially designed deep corrugations provide for greater flexibility and ease of installation. The result is a clearly superior product offering incredible longevity.