The National Chimney M-Flex 6-Inch Pre-Insulated Standard Liner Kit with Tee, a premium chimney relining solution designed for improved safety, efficiency, and performance. This pre-insulated chimney liner kit with tee enhances draft stability while reducing heat loss and condensation, making it ideal for demanding wood stove and fireplace insert applications. Its flexible design ensures smooth installation in existing masonry chimneys.
Built with a corrosion-resistant 316L stainless steel inner liner and a durable aluminum outer casing, this 6-inch insulated chimney liner system delivers long-lasting reliability and high-temperature performance. Engineered for easy installation and superior venting efficiency, it provides a dependable solution for homeowners seeking a professional-grade chimney liner kit with tee. Perfect for enhancing chimney safety, airflow, and overall heating system efficiency.
Features
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Pre-Insulated Chimney Liner for Maximum Efficiency – This 6-inch pre-insulated chimney liner kit includes ½-inch insulation, eliminating the need for additional wrap while improving chimney draft efficiency, heat retention, and reducing condensation buildup.
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UL 1777 Listed All-Fuel Chimney Liner Kit – Fully certified for safe use with wood, oil, coal, gas, and pellet appliances, ensuring reliable performance in all all-fuel chimney venting systems.
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Premium 316L Stainless Steel Inner Liner – Constructed from mill-certified 316L stainless steel, this chimney liner system offers exceptional corrosion resistance, high-temperature durability, and long-lasting reliability for chimney relining projects.
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Lightweight Aluminum Outer Casing – Designed with a flexible aluminum outer shell, this insulated chimney liner kit allows for easier handling and installation in tight or offset chimney spaces.
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Two-Part Tee with Removable Snout – Includes a 10-inch removable snout chimney tee, providing easy appliance connection, simplified cleaning access, and improved maintenance convenience for chimney inspection and servicing.
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Enhanced Draft & Condensation Control – Pre-insulated design helps stabilize flue temperatures, improving chimney performance, reducing creosote formation, and increasing overall system efficiency.
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Flexible Installation for Tight Chimneys – Engineered for smooth navigation through existing masonry chimneys, making it ideal for chimney liner installation and relining applications.
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Available Length Options for Versatile Installations – Offered in 25-foot and 35-foot lengths, suitable for a wide range of residential chimney liner replacement projects.
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Optimized for Professional & DIY Installation – Designed for quick setup with fewer components required, making it a dependable pre-insulated chimney liner kit for homeowners and contractors alike.
Specifications
