316L Rigid Chimney Liner (All Fuels)

Our 316L rigid stainless steel chimney liner sections are designed for professionals and homeowners installing a premium chimney relining system in straight masonry chimneys. Manufactured from heavy-duty 24-gauge seam-welded 316L stainless steel, these rigid liner sections provide exceptional draft performance, superior corrosion resistance, and decades of reliable service when venting wood stoves, fireplace inserts, pellet stoves, gas appliances, or oil-fired heating equipment. Available in multiple diameters and lengths, they provide a durable solution for creating a safe, code-compliant venting system.

Product Specifications

• Material: 316L Stainless Steel
• Construction: Seam Welded
• Thickness: 24 Gauge
• Fuel Type: Wood, Pellet, Gas, Oil
• Installation: Straight Masonry Chimneys
• Warranty: Lifetime
• Country of Origin: USA

Why Choose a Rigid Chimney Liner?

If your masonry chimney is perfectly straight, a rigid chimney liner is often the best long-term solution.

Unlike flexible liners, rigid stainless steel liners feature a smooth interior that promotes stronger draft, improves appliance performance, reduces creosote buildup, and makes annual chimney sweeping easier.

Professional chimney installers frequently choose rigid liners whenever offsets are not present because of their durability and superior airflow characteristics.

Benefits include:

• Smoother interior improves draft
• Less creosote accumulation
• Easier annual cleaning
• Stronger 24-gauge construction
• Better long-term durability
• Excellent resistance to acidic condensation
• Commercial-grade appearance

Rigid vs. Flexible Chimney Liners: What's the Difference?

Why 316L Stainless Steel?

316L stainless steel contains molybdenum, making it significantly more resistant to corrosion caused by acidic flue gases than standard stainless steel.

Compared to 304 stainless steel, 316L offers greater resistance to corrosion from acidic flue gases produced by wood, pellet, gas, and oil appliances. This makes it the preferred choice for all-fuel chimney liner systems and one of the most durable materials available for chimney relining.

It is ideal for

• Wood
• Wood pellets
• Natural gas
• Propane
• Oil

Installation Notes

• Male end points downward
• Allow 2" insertion loss per section
• Secure each connection with stainless rivets
• Use support clamp at chimney top
• Install rain cap after final section
• Insulate when required by appliance manufacturer or local code

Complete Your Installation With:

• Rigid Tee
• Top Plate
• Rain Cap
• Support Clamp
• Storm Collar
• Chimney Insulation
• Stainless Rivets

We strongly recommend using a polypropylene chimney brush versus any metal chimney brush. Polypropylene is non-abrasive and does not scrape the interior of the chimney liner. Metal brushes have an adverse effect on the liner.

Fireside's 316L 24 gauge stainless steel rigid lining system can be used for wood, wood pellet, gas & oil and comes with a lifetime warranty. If you don't see your size listed here - give us a call @ 1-877-486-8119 - we can make it.