If your old chimney doesn’t have a chimney liner, or your existing clay tile chimney liner is damaged, call the experts at FCPros. We can take care of all your chimney liner needs.
10 Questions to Ask When You’re Getting a Chimney Liner
There are three principle reasons you may need a chimney liner:
- Because your chimney has no clay tile chimney liner (older chimneys may not).
- The clay tile chimney liner is damaged by way of cracks, missing pieces, or voids.
- A chimney liner is required for optimal performance and safety because you are installing a new heating unit (stove or furnace) that will be vented into your masonry chimney.
A Chimney Professional will be able to show you a video of the interior of your chimney that reveals a damaged clay tile liner.
Your Chimney Professional should be able to give you a clear and detailed answer to the operational and safety benefits a new liner will provide.
Stainless steel liners are used for venting liquid and solid fuel burning appliances, like wood stoves, wood fireplaces oil or gas heaters. Sometimes in order to fit a stainless steel chimney liner down an existing masonry flue, the chimney professional has to remove the existing clay flue tiles, or re-shape the round liner into an oval, rectangle, or square. It’s good to ask about this so you will be fully informed.
There are three basic categories of chimney liner: Heavy duty; Medium duty, & Standard duty. The cost runs from highest for heavy to lowest for standard, but naturally, the heavy category is the thickest and strongest, so you would expect it to cost more. You should know which category of chimney liner is being used and why the Chimney Professional has chosen that option.
Insulation is is most commonly recommended for any liner used for venting solid fuel appliances. But there are advantages to having a chimney liner insulated even if it’s venting gas or oil appliances, especially if the flue being lined is on the outer wall of a house rather than in the interior. You should ask your Chimney Professional what his plans are regarding insulation and why.
Most stainless steel liners have a limited lifetime warranty. All chimney liner warranties require that the installation of the liner is done by a Chimney Professional and that the liner is inspected annually.
Yes, each manufacturer uses different machines to create their products impacting the design and strength. At a glance they may look the same but once handled you can feel the difference.
The most common alloy for wood and pellet appliances is 304 because it is more durable at high temperatures. The most common for coal, gas and oil because it is 316 more resistant to the corrosive elements common to gas and oil flue gasses.
A chimney liner must be properly sized for the stove, furnace, or fireplace. If the liner is larger or smaller than the recommended size, then it’s possible that it will have an adverse effect on flow and cause the system to perform poorly. It’s a good question to review with your Chimney Professional.
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