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The Welterweight-Flex Chimney Liner

Welterweight-Flex Liner

* Available in round and oval cross sections.

A Hybrid of our Lightweight-Flex and Middleweight-Flex Liners
This is the best of both worlds – it falls in between our Lightweight-Flex liner and our Middlewight-Flex liner. If you are looking to save some money without compromising strength and flexibility, then our Welterweight-Flex liner is the ideal choice.

  • Lighter and more flexible than our Middleweight-Flex Liner
  • Stronger than the Lightweight-Flex liner with an unbreakable seam
  • Doesn't compromise strength and flexibility
  • Fully covered under Lifetime’s warranty
  • UL listed to 1777 zero clearance standard

Available Specs

We manufacture our liners right here in the USA. They are in stock and ready to ship with the following specs. If you need a size or length that is not shown below, please give us a call. We can customize any liner to fit your needs.

Diameters (inches): 3", 4", 5", 5½", 6", 6½", 7", 8", 9", 10", 12"

Lengths (feet): 20', 25', 30', 35', 40', 45', 50'

Steel Grades: 304L, 316L, AL29-4C

Liftime Loyalty - As True As Steel

Our customers remain loyal because we craft
the highest quality venting solutions while offering
unrivaled customer service for the best buying experience.