Round Flexible Lining Kits

Rock-Flex 316Ti Flexible Stainless Steel Chimney Liner & Components Kit
APPLICATIONS: Wood, pellet, gas, oil, and coal burning appliances

How this page works:

• Select liner size and length in step 1.
• Select kit components for your application in steps 2-4.
• Click on Add To Cart at the end for total cost.

Step 1 - Select a 316Ti stainless steel chimney liner below.   (Click here for help with liner size.)

Note: The sizes given in the menu below are inside diameters.
Add 1/4" for the outside diameter of the liner.
Tee connectors require an additional 1/2" of clearance.

Recommended Accessories

Insulation Kit

Silicone Adhesive

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

Each Rockford Chimney Liner Kit Includes:

• 316Ti Stainless steel 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.
• Rain Cap - Quick connect square or round top cap with a screen enclosure to keep critters and debris out. The round 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 connector 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.) If you have a pellet stove and need a 3" to 4" tee simply choose it in the options above. To see the different types of bottom connectors click on the yellow, green, blue, and red pictures above.
• Top Plate - No Sag top plate featuring the quick connect system, so strong you can stand on it and it will not sag! Or a perfect fitting Quick Connect flat or terra-cotta top plate. Simply make your choice using the drop down window below.
• Complete installation instructions - DIY SS 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 7 days a week toll free phone support.

We offer the best protection for you and your home. Air and water tight 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 though 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 and contained.

Protection from Chimney Fires - Rock Flex stainless chimney liners are listed to contain chimney fires within the liner, which protects your home from house fires caused by un maintained flues which can cause severe chimney fires.

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 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.