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Rigid Chimney Liners

Stainless steel rigid chimney pipe is offered in two stainless steel grades: 304L and 316L. 304L is used for wood burning applications. 316L is multi-fuel used for gas, oil, wood, corn, coal, and pellet, just to name a few. Both grades of stainless steel rigid pipe are 24 gauge. One end is expanded for better flow and easy pipe to pipe connection. All seams are laser welded, so gases and moisture stays inside and the pipes stays perfectly round. The interior of the pipe is smooth, giving you a 20% better draft for gas burning appliances and a 15% better draft for oil appliances. All stainless rigid pipes are UL listed in the US and Canada. These stainless pipes can be used for fireplaces, stoves, boilers and furnaces.

Typical Use & Summary:

  • Connects directly to an appliance such as a stove or furnace
  • Runs to the wall or ceiling and connects to a masonry chimney or Flexible Chimney Liner Kit
  • Can connect to a Class A Insulated Pipe when transitioning to pass through combustibles
  • Can reline a straight masonry chimney without offsets or dampers
  • Single Wall Rigid Chimney Liner needs an 18" clearance from combustible materials
  • 304L Stainless Steel is used for wood fuel applications; 316L Stainless Steel is multi-fuel for gas, oil, wood, corn, coal, and pellet applications

You Might be Looking For:

  • Class A Insulated Pipe
    Used when you don't have a masonry chimney or need a closer clearance to combustibles

  • Flexible Chimney Liner Kit
    Used to reline a masonry chimney

  • Black Stove Pipe
    Used to connect an appliance to masonry chimney, Flex Liner Kit, or Class A chimney pipe. Doesn’t have the longevity that Stainless Steel Rigid Liner has.

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304L Rigid Chimney Liners

304L Applications: Wood and Wood pellet burning appliances. Our 304L 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. 
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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.
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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


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.