Premium Smooth Wall Flexible Chimney Liner Kit

Applications for Smooth Chimney Liner Kits

Smooth flexible chimney liners can be installed inside a masonry chimney for the applications listed below.

Fuel Types:

• Wood and wood pellet fuel
• Gas fuel
• Oil fuel
• Coal

Chimney Liner Replacement Examples:

• Fireplace inserts
• Wood stoves
• Traditional masonry fireplaces
• Furnaces
• Boilers
• Water heaters

*Always check the manual for the appliance you are venting regarding venting requirements

Details and Features

Rockford's Premium Smooth Wall Chimney Liner Kit is the most flexible and durable smooth liner kit option in today's market. Superior flexibility makes the Premium Smooth Wall Liner easy to install, easy to clean, and extremely durable.

When chimney flues make multiple bends and offsets, this heavy duty liner is able to navigate the offsets with ease and is able to be pulled down the chimney without damaging the liner. As a matter of fact, the Premium Smooth Wall liner uncoils so smooth that it has zero memory or resistance! See it in action here in this short video. 

Not only does the smooth interior provides less turbulence, but also improves the draft. The smooth interior liner allows 20% more BTU capacity for gas appliances and 15% greater GPH (Gallons Per Hour) firing rate for oil appliances.

• 316L Stainless Steel
• Designed to resist flue acids and extreme temperatures
• The MOST durable and flexible smooth chimney liner option
• Zero memory or resistance during uncoiling process
• Fully customize your chimney liner kit in four easy steps
• UL Tested and Listed
• Category 1 / Residential
• Lifetime Warranty
• Free Shipping
• Complete installation instructions - Most installations will take no more than 2 to 3 hrs
• Customer Support from Rockford's Certified Technicians

Measuring & Installing Your Premium Smooth Chimney Liner Kit

Measuring for your flexible chimney liner is one of the most important steps. Specifically, measure the exact inside measurements of the chimney flue or brick chimney, this will ensure the chimney liner will fit down your masonry flue.

Be sure the proper size liner, sized to the appliance you are connecting to, will fit down your current masonry chimney. Here is a link to our helpful measuring guides and a link to our Chimney Liner Size Calculator.

Additionally, view our easy-to-follow chimney liner installation video.

How to Order a Chimney Liner Kit

Customize your Stainless Steel Chimney Liner Kit step by step with our easy ordering menu. Included in your chimney liner kit:

Step 1: Flexible Stainless Steel Chimney Liner

316L Premium Smooth Wall Chimney Liner - Zero memory offers superior flexibility than other liners. Manufactured from .010 316L stainless steel thickness offers more durability in tight installations. Air and water tight, manufactured with the highest quality, mill certified 316L stainless steel lining.

Furthermore, UL1777 listed and made in the United States to withstand multiple heating cycles up to 2100 degrees. Used for fuel applications such as wood, pellet, oil, gas, and coal. 

To begin with, select the proper size diameter chimney liner for the appliance you are connecting to. If you need assistance sizing, contact one of Rockford's Certified Technicians and we will be happy to assist.

• Note: The outside diameter is 1/8" larger than the size listed. Ex: 6 in. x 20 ft. measures 6 1/8" outside diameter.
• Note: You may need to slightly stretch the liner to decompress the joints. After uncoiling, lightly pull the liner to it's full length.

Secondly, select the proper length for the chimney height. We fabricate each liner kit in five foot increments. You will want to round up and choose the liner length that is the nearest length.

Optional Insulation

One of the most frequently asked questions is "Do I Need to Insulate My Chimney Liner?". Most often, for solid fuels, the answer is yes and typically required. On the other hand, for gas and oil, it's recommended, but not always required. Moreover, here are a few articles we've written to help you understand chimney liner insulation requirements.

• Is Chimney Liner Insulation Required?
• Should My Chimney Be Relined AND Insulated?
• Benefits of Chimney Liner Insulation
• Features of Chimney Liner Insulation

Additionally, the Smooth Wall Chimney Liner is available in a wrap-it-yourself-insulation kit or a pre-insulated option. You will find a summary of each option in the dropdown menu. However, keep in mind that insulation does add to the outside diameter measurement.

Step 2: Bottom Connector

Secondly, you will select the Bottom Connector, which will connect the flexible chimney liner to the appliance. By using short stainless steel screws, the connection is extremely secure, but also easy to install. In general, there are two different styles of Bottom Connectors.

The first option is a Two-Part Tee Connector. Use the Tee Connector to connect horizontally to the appliance or to the connector pipe inside the room. This is a two-part Tee Connector with a removable snout. Tee Connector Installation Video

The second option is a Vertical Appliance Connector. Use the Vertical Appliance Connector to connect directly to the top of the appliance.

You will find an application summary for each Bottom Connector in the dropdown menu. Keep in mind, the connectors are made to fit around the flex liner and will be 1/4" to 1/2" larger than the diameter listed.

Additionally, the connectors for the Premium Smooth Wall Liner will not work with any other liner on the market. Only connectors that are Premium Smooth Wall brand will work with this liner.

Step 3: Top Plate

Thirdly, you will select a Top Plate size which will terminate and secure the chimney liner in place at the top of the chimney. Choose the size & style top plate that will fit your chimney flue tile or brick opening. Above all, with our extremely secure Quick-Connect system, installation will be a breeze.

You will find an application summary for each Top Plate in the dropdown menu. To illustrate, see our Top Plate Options Overview Video for additional information.

Step 4: Rain Cap

Lastly, select a Rain Cap to place over the collar on the Top Plate. Above all, the Rain Cap keep critters, debris, and weather out of the chimney flue, but also protects from deterioration. Easy to install and extremely secure with our Quick-Connect system. Not only does the Round Rain Cap feature a mesh screen, but it also has a wind guard to protect against downdrafts.

Add to Cart

Finally, add the product to your cart to view pricing and summary of the chimney liner kit build.

Need More Help?

Contact one of Rockford's Certified Technicians today to help answer your questions and assist in planning your installation. Our Technicians are CSIA and NFI Certified; ready to take your call, email, or text.

Why Choose Rockford's Stainless Steel Chimney Liner

We offer the best protection for you and your home. Air and water tight chimney liners, 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, with this in mind, by installing a Smooth Wall Liner 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 - With attention to UL1777, our stainless steel flue liners and components are UL tested and liste. UL is the leader and most recognized in the United States, don't settle for less.

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

Rockford carries a complete selection of chimney liner supplies. Our hearth liner kits and components are premium stainless-steel and 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 replacement system available. Our service, price, & quality is unmatched, anywhere.

With attention to Canadian customers, please use our US Border Depots to save on shipping.

Weight

(Uninsulated)

Shipping Method

(Uninsulated)

Lead time 2-5 business days