12", 14", 14.5", and 15" Oval Double Ply Smooth Chimney Liner (Only) Chimney Liner Kits > Single Ply Round Chimney Liner kits A perfect fit every time

A perfect fit every time for your Rock-Flex stainless steel flue liner

the liners are made of seven ply seams that lock moisture and flue gases in the flexible 7

and oil appliances Made in USA Manufactured with high-quality materials and standards Warranty Lifetime warranty (transferable) This 5 inch single ply chimney liner kit can be customized with different top plates

Expanded Capacity Provides additional airflow when a 9" liner is not sufficient for the appliance Enhanced Draft Smooth interior improves airflow and supports efficient chimney performance Proper Venting Maintains correct flue sizing when a larger round liner cannot fit inside the chimney Space-Saving Design Fits into tight or rectangular flue tiles without sacrificing draft performance Flexible Installation Maintains flexibility while offering added strength from double-ply construction Strength Air- and water-tight design with 7-ply seams for durability Durability Resistant to corrosion

12", 14", 14.5", and 15" Oval Double Ply Smooth Chimney Liner (Only) Chimney Liner Kits > Single Ply Round Chimney Liner kits A perfect fit every timeThe 12", 14", 14. 5", & 15" Oval Double Ply Smooth Chimney Liner is a premium stainless steel chimney liner designed to improve chimney performance, safety, and durability in installations where a standard round liner will not properly fit. Manufactured from high quality 316 stainless steel, this double ply smooth liner is ideal for relining large masonry chimneys with limited space while protecting against corrosion, moisture, and flue gas leaks.