SmartFlex Smoothwall Liner

SKU: SmartFlex Smoothwall Liner

SmartFlex Smoothwall Liner has superior flexibility and is made with two-ply, 316 stainless steel, resulting in a high BTU capacity. Its smooth interior allows for more airflow, reducing drag by 20% over traditional corrugated liners. This liner is UL listed by Underwriters Laboratories to UL 1777, and ULC-S635 standards. Smoothwall can be used to vent any appliance and has a lifetime transferable warranty, valid only if installed/maintained by a chimney professional. SmartFlex Smoothwall comes in a variety of diameters from 3” - 12”, and is sold in 5’ increments only! Call for special 10% discount on bulk coils of 100’ or more!

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  • Smooth Interior Reduces Drag By 20% Or More!
  • Two-Ply, 316 Stainless Steel Construction
  • UL Listed - UL 1777 & ULC-S635 Standards
  • Lifetime Transferable Warranty Available
  • Sold In 5' Increments Only!