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316L Rigid Chimney Liners

316L Applications: Wood, pellet, gas, oil, and coal burning appliances. 316L Rigid Liner has greater corrosion resistance than 304L Rigid Liner. Our 316L rigid liner and components are fabricated from the highest quality stainless steel, laser welded seam for a perfectly round pipe, and UL listed in the US and Canada.

Rigid Chimney PipeNo more lock form seams, or spot welds that are leaky and dangerous enough to be illegal in Europe! One of the great features about our rigid chimney liners is the seam and how it keeps the pipe perfectly round. Lock and spot welded seams warp, ours will not. Our seams are laser welded, leaving virtually no seam to be seen. Our stainless steel flue pipe sections slide together for a tight fit, the first time, every time (use our rivets for an easy install & tight fit!). Watch our helpful videos: Rigid Chimney Liner Top Kit Installation and Rigid Chimney Liner Product Overview.

Use 316L stainless steel rigid flue pipe for wood, pellet, gas, oil, or corn burning appliances. Best used for straight chimneys without any offsets, when you'd like to extend the pipe above the chimney top for added height, and would like to increase draft. Our rigid flue pipe is easy to clean, heavy duty, and increases your draft due to it's smooth interior. In case you have offsets or a very tall chimney, our stainless steel Rock-Flex liner is an ideal alternative. If you are burning solely wood or wood pellets, the 304L stainless steel rigid liner is also available.

Order multiple components and pipe lengths

APPLICATIONS: Wood, pellet, gas, oil, and coal burning appliances. 316L Rigid Liner has greater corrosion resistance than 304L liner.

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  1. Rigid Liner Insulation
    Rigid Liner Insulation
    Rating:
    100%
    As low as $32.99

    Compress the insulation around the rigid liner by hand, until the two edges snap and lock together. Available in 24" lengths. Rigid insulation increases the outside diameter of the liner pipe by 1.75".

  2. Rigid Flat Top Plate
    Rigid Flat Top Plate
    As low as $29.99

    The Rigid Flat Top Plate fits flush to the chimney top. Fit flush with the chimney crown or can be installed to the terra-cotta tile using silicone. Made with stainless steel.

  3. Rigid Liner Pipe Support Clamp
    Rigid Liner Pipe Support Clamp
    As low as $29.99

    The 18 gauge stainless steel support clamp is installed around the liner, and sets on top of the top plate which supports the liner at the top of your chimney.

  4. Rigid Liner Storm Collar
    Rigid Liner Storm Collar
    As low as $33.99

    Install the stainless steel storm collar around the rigid liner right above the support clamp to keep moisture from entering the flue liner or the chimney cavity. The stainless steel is guaranteed not to rust!

  5. Rivets for Pop Rivet Gun
    Rivets for Pop Rivet Gun
    As low as $19.99

    Stainless steel 1/8" diameter pop rivets with a grip range of 1/8". These rivets are great to have on hand when working with our rigid chimney liner. Pack of 100. You may also need a Pop Rivet Gun Kit.

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What Parts Do I Need?

Rigid Liner Top Assembly Diagram | Rockford Chimney Supply

Rigid Liner Top Assembly

The diagram at left shows the parts typically needed at the top of the chimney. The rigid liner rigid chimney pipe Rigid Chimney Liner Pipe (1) is inserted into the chimney. The chimney top is covered by the top plateflat top plateRigid Liner Flat Top Plate— or —terra cotta top plateRigid Liner Terra Cotta Top Plate (2) which goes on over the liner. A support clampsupport clampRigid Liner Support Clamp (3) holds the liner in place and keeps it from slipping down the chimney. The storm collarstorm collarRigid Liner Storm Collar (4) covers the gap between the liner and top plate to keep out moisture. The rain caprain capRigid Liner Rain Cap (5) gives an attractive finished look while keeping rain, birds and critters from getting into your chimney, and sparks from getting out.

Connecting to Your Appliance

Fireplace Connection:

If you are connecting to an existing fireplace without an insert, you will need an additional top platetop plateRigid Liner Flat Top Plate to use where the bottom of the liner reaches the fireplace opening. You may also need to fill the space around the liner with insulation mixInsulation MixPour-Down Chimney Insulation Mix.

Rigid Liner Top Plate for Fireplace

Insert:

If your fireplace has an insert with a top opening, you may need an elbow connectorelbow connectorsAdjustable and Fixed Elbows for Rigid Liner.

Stove/furnace (or other appliance needing a horizontal connection):

You will need a rigid tee connector with removable snout and clean-out captee connectorRigid Liner Tee with 10 in. removable snout and clean-out cap
— or —
long snout tee connectorRigid Liner Tee with 22 in. removable snout and clean-out cap
.

rigid Tee connector

You may also need:

rigid adjustable elbowsadjustable elbowsAdjustable Elbows for Rigid Liner to change the angle of the liner, and pop rivetsrivetsPop Rivets for assembly.

Order Multiple Components and Pipe Lengths:
316L Stainless Steel Rigid Chimney Liner
316L Stainless Steel Rigid Chimney Liner
Rigid Chimney Cap, Inside Mount
Rigid Chimney Cap, Inside Mount
Rigid Premium Flat Top Plate
Rigid Premium Flat Top Plate
Rigid Terra Cotta Mount Top Plate
Rigid Terra Cotta Mount Top Plate
Rigid Liner Pipe Support Clamp
Rigid Liner Pipe Support Clamp
Rigid Liner Storm Collar
Rigid Liner Storm Collar
Rigid Liner Tee, Snout, and Clean Out Cap 316L
Rigid Liner Tee, Snout, and Clean Out Cap 316L