Does Fireplace Insert Need Chimney Liner

One of the most common signs that you need a chimney liner is when you notice that your chimney walls are deteriorating at a faster than normal pace.

Does fireplace insert need chimney liner. However they do have other unique needs that wood and gas burning inserts may not require. A liner going to an insert or stove in the fireplace will be measured from the top of the chimney to the top of the insert or stove or the center of the hole on the back of the stove. Electric fireplace inserts use resistance from electrical elements to generate warm air for the room. When your liner is not in proper working condition the heat will damage your brick and mortar at a higher rate.

There are different types of chimney liners which you can use to line your chimney. There is a regulation that says your installer must satisfy themselves that the chimney is free from defects and suitable for its intended use. Please remember these liners are sold in 5 increments 15 20 25 so for instance an 18 chimney will need a 20 liner. By today s standards the installation of a hearth stove or insert where the connector pipe does not extend to at least the first flue tile is not acceptable even if the manufacturer s instructions don t require it.

B if you have smoke coming back into the house from the chimney somewhere above the fireplace. When you are converting your wood burning fireplace to a gas burning fireplace and using the existing chimney as a vent it is a good idea to install a flexible aluminum liner. You do not need to insulate the liner when using aluminum gas vent pipe. It stops carbon monoxide from seeping through porous bricks and mortar into your home.

In some locations your city s fire code may mandate that you install such a liner if you re making any changes to or installing a wood burning stove or fireplace. In such a case you ll need chimney tuckpointing to restore the damaged area. Unlike wood burning and direct vent systems electric fireplaces do not need a chimney to vent combustible byproducts. A if you have or are installing a wood burning insert inside of your fireplace these must have a steel liner or a free standing wood stove where the manufacturer instructions require a steel liner.

The best installation option is the installation a stainless steel liner from the top of the stove to the top of the chimney. It prevents hot embers in the smoke from slipping through a crack in the flue and igniting combustible materials around the chimney.