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Rectangle Stainless Steel Flue Lining Kits

Rectangle, Stainless Steel, Flexible Chimney Liner Kit - Build Your Own Kit

Applications: Installed in a masonry chimney venting Wood, Pellet, Gas, Oil, and Coal burning appliances

How this page works:

  • Click "Customize and Add to Cart"
  • Select chimney liner size and length in Steps 1A-1C
  • Select kit components for your application in Steps 2-4
  • Click Add to Cart at end for total cost
  • Contact one of our CSIA Certified Technicians if you have any questions

Do You Need a Rectangle Liner?Note: Rectangle chimney liners and components are custom made to your specifications, and are not refundable. Please call us if you have any questions in regards to your installation!

Videos & Calculators: How to Install a Chimney Liner | Chimney Liner Shape Calculator

From $31.00

To $1,500.90

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Rectangle Stainless Steel Flue Lining Kits
Rectangle Stainless Steel Flue Lining Kits

In stock



    Complete Installation Instructions

    "DIY chimney liners installed the easy way." Most installations will take no more than 2 to 3 hrs. No rivets or screws required. Chimney liner installation instructions.

    Lifetime Forever transferable chimney liner warranty.

    316Ti Stainless steel fireplace liners are used with fuel types such as wood, pellet, gas, oil, and coal.

    Each Rockford Rectangle Chimney Liner Kit Includes:

    • 316Ti Stainless Steel Rectangle Chimney Liners - Air and water tight, with 7 ply seams and 10 corrugations per seam for the very best flexibility and strength on today's market. Rated number one in the industry for strength and flexibility. UL Listed and made of the highest quality, hand picked, prime stainless steel made in the United States.
    • Rain Cap - Quick connect rain cap with a screen enclosure to keep critters and debris out. The rain cap has a wind guard to protect against downdrafts.
    • Connectors - Quick connecting tee with a removable horizontal snout for easy installation through your chimney thimble. Or a quick connecting liner to stove vertical appliance connector. (If you're connecting vertically to the top of your appliance you will most likely need the liner to stove connector. If you're connecting or exiting the chimney horizontally you will most likely need the tee and tee clean out.) Also available among the options is a bottom plate if you are transitioning the liner to a traditional masonry fireplace without an appliance. Simply make your choice using the drop down window in Step 2. 
    • Top Plate - Choose from a perfect fitting Quick Connect terra-cotta top plate or flat top plate. The terra-cotta top plate features pressure fitting screws for a secure and easy installation. Simply make your choice using the drop down window in Step 3.
    • Complete installation instructions - DIY stainless steel metal chimney liners installed the easy way! Most installations will take no more than 2 to 3 hrs. No rivets or clamps required.
    • Warranty - Lifetime Forever transferable chimney liners warranty.
    • Support - Free 6 days a week toll free phone support.

    We offer the best protection for you and your home. Air and water tight rectangle chimney liners, seven ply seams that lock moisture and flue gases in the flexible flue liner which keeps them from leaking into the home.

    Guards Against Corrosion - Certified Rock Flex stainless steel chimney liners protect against hostile acids which deteriorate masonry clay tile chimneys.

    What About Creosote? - Rockford chimney flue liners do not allow creosote to leach through the liner unlike masonry, clay tile flues, or liners not made of prime stainless. Creosote can catch fire, thanks to Rock Flex this harmful creosote is minimized.

    Seals Off Carbon Monoxide - When it comes to safety our flexible chimney liners will protect the structure of your home from moisture damage and the very real potential of carbon monoxide poisoning.

    UL Listed in the USA and CANADA - Our rectangle stainless steel flue liners and components are UL tested and listed to UL1777 standard, Underwriter Laboratories. UL is the leader and most recognized in the United States, don't settle for less.

    Lifetime Transferable Warranty - The best warranty anywhere, transferable to new homeowner if you decide to sell. You're going to feel good about this purchase, plus you're adding value to your home.

    316Ti Liners - A unique titanium alloy designed to resist flue acids and the extreme stresses of hot and cold cycles. It can withstand multiple heating cycles up to 2100 degrees.

    Rockford carries a complete selection of chimney liner supplies. Our hearth liner kits, chimney liner Insulation kits, and all chimney lining kit components are premium stainless-steel, they are 100 percent manufactured in the USA. Buy chimney liners online at Rockford Chimney Supply and you are guaranteed to be getting the best chimney liner supply and lining system available. Our service, price, & quality is unmatched, anywhere.

    Canadian customers can use our US Border Depots to save on shipping.

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