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The Highest-Quality Liner, Built by Installers
Made by Technicians for Technicians
Lennon Liner™ was developed by chimney professionals with more than 20 years of hands-on installation experience. We built it around what matters in the field: exceptional durability, strength, bendability, clean re-straightening, and dependable technical support from people who actually install chimney systems.
Tested for Demanding Installations
Lennon Liner™ is engineered and tested for the real demands of chimney work. Premium stainless-steel construction delivers the durability and strength professionals expect, with the bendability to navigate tight offsets and the ability to re-straighten cleanly for a precise, professional fit.
Durability and Strength You Can Trust.
Robust construction and consistent seams create a liner built for demanding installations and dependable long-term performance.
Bendability and Clean Re-Straightening.
The liner bends smoothly through difficult flues, then re-straightens cleanly—helping installers work efficiently without sacrificing strength.
Technical Support from Actual Installers.
Our support comes from experienced chimney technicians who understand the work firsthand. Get practical guidance on product selection, fit, and challenging installations.
Made for the Way You Heat
A Wide Range of Applications.
A Wide Range of Applications.
A Wide Range of Applications.
Lennon Liner™ systems are available for wood stoves, home-heating appliances, fireplaces, and other compatible chimney-relining applications. Choose the grade, diameter, length, wall construction, and stainless-steel cap that fit the installation.
Proudly Made in Connecticut.
A Wide Range of Applications.
A Wide Range of Applications.
Our liners are manufactured in the USA using high-grade 304 and 316Ti stainless steel, with single-wall and double-wall smooth-wall configurations available.
Made to Last. Worry Free.
A Wide Range of Applications.
Made to Last. Worry Free.
Lennon Liner™ is built for dependable long-term performance and backed by the transferable Lennon Lifetime Warranty. Our team is also available to help contractors and homeowners choose the right system.