Most people who have a chimney wouldn’t give their chimney liner a second thought. After all, chimney liners aren’t the first thing that pops into your head when you think of snuggling up in front of a fire. The serve many important functions such as protecting the house from the heat as it rises up the chimney. They also protect the brick masonry from some of the harmful by products such as gases, prolonging the life of the chimney. Finally, they permit modern appliances to operate more efficiently by providing the correctly sized flue and supplying sufficient combustion air to the appliance.
There are three types of chimney liners that have been designed for specific applications. Clay tiles are the most common because of their high performance and low cost. However because they are made from ceramics, heat absorption and distribution when the temperature rises quickly can be an issue causing tiles to crack. Stainless steel and aluminum chimney liners are usually chosen when upgrading or repairing existing chimneys. Their safe and durable construction is suitable for woodburning, gas, or oil applications. Cast-in-place chimney liners are lightweight and are ideal for ageing chimneys and are suitable for all fuels.
Whichever alternative that you decide to go with, chimney liners will ensure that your chimney is operating safely and that your heating appliance or fireplace is operating at its maximum efficiency.