FireFlex 316L Heavy Wall Basic Chimney Liner Kit

Your FireFlex Chimney Liner Kit will include a FireFlex Heavy Wall 316L .017 thick stainless steel liner, 13" x 13" top plate, rain cap, support clamp, storm collar and appliance connector for vertical connections.
In stock

Fireside Chimney Supply's FireFlex HeavyWall chimney lining systems are made of .017 316L stainless steel and are used for all fuels.

Our FireFlex HeavyWall 316L Stainless Steel chimney liner system is designed to reline existing chimneys or be used in new construction. These heavy duty chimney liners are manufactured using the highest grade mill certified alloys. Each steel chimney liner kit is manufactured with a continuous strip of stainless steel, interlocked and diagonally crimped to produce a gas and water tight system of superior strength. Each heavy duty chimney liner features 7 ply seams and 10 corrugations between each seam which are designed to deliver the flexibility needed to get the job done.

PLEASE NOTE: When installing HeavyWall Chimney Liners it is recommended to have additional help for the installation process. HeavyWall liners weigh approximately 3 times the weight of the basic liner kit. This is due to the thickness of the liner being 3 times the thickness of the basic kit (.017 compared to .006). Please use the following formula to get the approximate weight.    

.417 X Diameter X Length = Weight

Each FireFlex Kit includes our very own EZ connect system:

  • Stainless Steel Top plate 18ga
  • Stainless Steel Rain Cap with screen to eliminate the pests
  • Stainless Steel Appliance Connector with EZ connect for the insert or vertical hook-up
  • Stainless Steel Support Clamp
  • Stainless Steel Storm Collar
  • Lifetime transferable chimney liner warranty
  • Complete installation instructions
  • UL1777 Listed in the USA Underwriter Laboratories

Fireside Chimney Supply HeavyWall steel chimney liner kits are constructed of .017 316ti Stainless Steel. This is the most durable steel chimney liner kit in the industry and will offer a guarantied lifetime of use.

Fireside Chimney Supply offers a complete line of chimney lining and hearth products. Feel free to look around and if a question arises - pick up the phone - we're here to help.

We strongly recommend using a polypropylene chimney brush versus any metal chimney brush. Polypropylene is non-abrasive and does not scrape the interior of the chimney liner. Metal brushes have an adverse effect on the liner.

Ovalization - Let Fireside Chimney Supply takes the worry out of getting through the damper. We will customize your heavy duty chimney liner by ovalizing the bottom portion to go through the damper area. Just tell us the oval size and length needed using the drop-down from above and we will do the rest. No more labor intense removing or cutting of the damper, when you let Fireside Chimney Supply do the work for you.

Download The Installation Document Click Here

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