Chimney Liners: 7 Little Known Facts

Chimney liners have come a long way since they first debuted in the early 1900’s.  Sure to meet any need, chimney liners now come in many types including stainless steel, cast-in-place, and clay tiles.  Whether you need a clay tile liner or a stainless steel one, these versions allow anyone and everyone to find a chimney liner that meets (and exceeds) their expectations.

While many of us that have dabbled in the fireplace industry may feel like experts in the subject, there are many surprising, little known facts about chimney liners that you may not be aware of.  In this article, we will take time to dive more deeply into the world of chimney liners to discover 7 little known facts about them.

Liners Make Sure the Flue is Right – Chimney liners help to ensure a correctly fitting flue is in place.  A correctly-sized flue allows for the optimum in heat efficiency as well as preventing creosote from building within the walls of the unit.

Cast-in-place is Permanent  –  If choosing a cast-in-place liner, homeowners can enjoy a permanent solution for all their chimney liner needs.  These lightweight liners constructed of cement-like materials are cast into the flue to create a seamless fit.

Clay Is Uneven–Clay tiles have been a popular choice in chimney liners for many, many years.  The clay material is readily available and the liners are fairly inexpensive to purchase. When working with clay though extra care must be taken to ensure the overall structure is kept safe. These tiles allow for the uneven spreading of heat within the flue leading to cracks in its surface.  A cracked tile must be repaired before using the unit again.

They’re Mandated – Although building codes can differ from state to state, many are unaware that numerous local fire codes now mandate a quality clay tile, cast-in-place, or stainless steel chimney liner.

They’re U.L. Tested – A stainless steel or metal chimney liner will, in most cases, be U.L. tested and listed making it safe and durable to install into a new system or retrofit into an existing flue.

Liners Protect the Masonry Work – Keeping corrosive byproducts flowing out of the flue, a chimney liner protects the masonry work from this deteriorating buildup.  Without the liner, the structure would become unstable much more quickly.

Stainless Steel Can Handle It All – A Duraflex Flexible stainless chimney liner can handle a number of different types of burning stoves and fireplaces.  In fact, you can use a stainless steel chimney liner with a fireplace burning wood, gas, or oil.

If you are in need of adding a chimney liner to an existing flue or are building a new fireplace make sure to consider these 7 little known facts when choosing a chimney liner right for your needs and environment.  When selecting a liner always take into consideration the type of flue that you will be working with, the flue’s overall shape, and also what it is constructed of.  Before you know it you will be enjoying a warm fire that is efficient and safe too!