Stainless Steel
Chimney Liners
If you're considering relining your chimney, you're making a smart choice to ensure the safety and efficiency of your home's heating system. Stainless steel chimney liners are praised for their durability and versatility, making them an ideal solution for various appliances, including wood-burning stoves, gas furnaces, and oil heaters.
Stainless steel chimney liners are designed to withstand high temperatures and corrosive gases, providing sturdy protection for your chimney. They not only enhance the safety of your home by preventing dangerous chimney fires and carbon monoxide leaks but also improve draft efficiency, ensuring your heating appliances operate smoothly.
Types of Stainless
Steel Chimney Liners
Stainless steel chimney liners come in a range of shapes and sizes to fit virtually any chimney system.
Rigid Liners
Hands down the most durable stainless steel liner on the market, however, they cannot be used in chimneys with bends or turns.
- Durability: These liners are incredibly strong and provide the best draft efficiency due to their smooth interior, which minimizes creosote build-up.
- Maintenance: These liners are easy to clean after each heating season, and collect less creosote because of the additional draft (if used with wood burning appliances).
- Installation: These liners are ideal for straight chimneys, making installation relatively straightforward and less labor-intensive than Cast-In-Place liner systems.
Flexible Liners
Light Wall Flex
A thin, flexible snake-like liner also known as M-flex, Dura-flex, Z-flex, Best-flex, Ultra-Pro and many more names.
- Commonly used due to lower costs and easier installation.
- Prone to damages and creosote accumulation due to their corrugated design and thin material.
Heavy Wall Flex
A slightly corrugated and flexible “Heavy-Wall” 4-Ply stainless steel chimney liner.
- Ideal for connecting to woodstoves or fireplace inserts which have bends in the flue.
- Provides a boost to draft performance while maintaining flexibility for installation.
Trusted by Your Neighbors
I hired Chimney Savers to install a wood stove insert and a stainless steel liner for the chimney - not trivial. These guys did a great job. Responsive, good price and they showed up on time, got the job done early. I would totally recommend them.
Sam Melehy
Key Features of Stainless Steel Chimney Liners
Stainless steel liners come in various alloys, which affect their performance and durability.
Alloys Used
- 316 Stainless Steel: Best suited for gas and oil appliances, as it resists corrosion beautifully.
- 304 Stainless Steel: A more economical choice for wood-burning appliances, provided that corrosive gases are minimal.
- AL29-4C: Designed for high-efficiency gas appliances, offering superior corrosion resistance.
Quality Variations
Not all stainless steel is created equal—investing in UL-listed products means you're getting a liner that's built for lasting performance and safety.
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Frequently Asked Questions
Do stainless steel chimney liners have a lifetime warranty?
All of the stainless steel chimney liners we install have the highest quality UL-listed stainless steel and come with a Lifetime Warranty from the manufacturer.
Are all stainless steel liners made of the same materials?
No. Stainless steel chimney liners come in three major alloys, or metal mixtures, with varying strengths and resistance to corrosion. Different alloys are used to vent different types of appliances. Read more below.
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316 – The most common alloy for stainless steel chimney liners is 316. The 316 alloy liner is used for gas and oil appliances because it is resistant to the corrosive elements given off by these appliances. 316 can also be used to vent wood, coal, and pellet appliances.
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304 – 304 alloy liners are used for wood and pellet appliances/stoves because it is a less expensive alloy than 316 and can be used when no corrosive gases (i.e., gas and oil) will be vented into it.
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AL29-4C – Very high-efficiency gas appliances may require the AL29-4C alloy stainless steel chimney liner, which has the highest resistance to corrosion. This is not required for most appliances.
Are all stainless steel chimney liners equal in quality?
No. Stainless steel chimney liners vary greatly in quality. Higher quality stainless steel liners will last longer, have better draft performance, and are easier to service. Each chimney system should be evaluated for estimated usage (e.g., how many cords of wood you plan to burn in a year) and fuel type (e.g., wood, gas, pellet, etc.). Based on this data we can select the correct type of liner for your system.