National Chimney Smoothwall Wood-Burning Insert Liner Kit | 6-Inch

The National Chimney Smoothwall Wood-Burning Insert Liner Kit, engineered for high-performance wood stove venting and fireplace insert applications. This premium smooth wall chimney liner kit is designed to deliver superior draft efficiency, improved airflow, and safer operation. Built from durable 316L stainless steel smoothwall liner, it provides excellent corrosion resistance and long-lasting reliability for demanding heating environments.

Ideal for installations where no tee or tee cap is required, this UL-style chimney liner system ensures a clean, direct venting path for optimal performance. The included stove adapter with EZ clamp connection system creates an airtight, secure fit between the liner and appliance, making installation fast and dependable. Perfect for chimney relining projects, this wood-burning insert liner kit enhances heating efficiency while maintaining consistent, safe exhaust flow for wood stoves and fireplace inserts.

Features

• High-Efficiency Smoothwall Chimney Liner Design – The 316L stainless steel smoothwall liner delivers up to 20% more airflow than standard corrugated liners, improving draft performance and making it a top-tier wood-burning stove liner kit for enhanced heating efficiency.
• UL 1777 Listed All-Fuel Chimney Liner Kit – Fully tested and certified for wood, coal, oil, pellet, and gas appliances, ensuring safe and reliable performance across multiple all-fuel chimney venting applications.
• Premium 316L Stainless Steel Construction – Built from double-layered, mill-certified .005” thick 316L stainless steel, this flexible chimney liner kit offers exceptional resistance to heat, corrosion, and moisture for long-lasting durability.
• EZ Clamp Stove Adapter System – Includes a pre-fitted stove adapter with EZ clamp connection, providing a secure, airtight seal between the liner and appliance for fast, tool-free installation and improved venting safety.
• Complete Chimney Liner Installation Kit – Comes with a smoothwall liner, 13” x 13” top plate, and rain cap, offering a full chimney relining solution for efficient and professional installation.
• Optimized for Wood Stove & Fireplace Inserts – Designed specifically for wood-burning insert liner kit applications, delivering improved airflow, stronger draft, and reduced creosote buildup for safer operation.
• Enhanced Draft & Creosote Reduction – Smooth interior wall design promotes consistent airflow, helping to minimize creosote accumulation and maintain cleaner chimney performance.
• Flexible Length Options for Installation – Available in 15 ft, 25 ft, and 35 ft lengths, making it suitable for a wide range of chimney relining and venting system configurations.
• Improved Venting Efficiency for Maximum Performance – Engineered for optimal exhaust flow, ensuring your fireplace insert or wood stove operates at peak efficiency and safety.
• Weather-Resistant Top Kit Protection – Includes a durable rain cap and top plate system that protects against moisture, debris, and downdrafts for long-term chimney system reliability.

Specifications

Warranty

• Limited Lifetime Warranty

Documents & Files

• Product Brochure