It’s Important to Know the Parts of a Chimney

Start using the chimney for your home, first it is essential to know your chimney better to keep up its good health. Before every winter, comes the need for inspection and cleaning of your chimney.

chimney parts

With rightful knowledge of the anatomy of your chimney, one would be able to sense whether anything is wrong with it or not. From general upkeep, troubleshooting to able to talk with your chimney expert, knowing the various parts is essential.

It always helps in saving money by knowing the problems of your chimney sooner than later and in order to familiarize with issues, one needs to know the parts and its functions. There is much more to your fireplace than which is visible to our eye. In total there are about 21 parts which comprise the chimney of our home.

Let’s dig deep to know better about the parts of your chimney.

All About Each and Every Part of Your Chimney


The very top part of the Chimney which acts as a protective layering. It prevents rain-water and other debris from entering your place. It also escapes route for a smoke.


A simple passage for the smoke to rise through and out and usually made of heat-resistant material.

Chimney Case

A factory-made chimney usually comes with a metal casing which gives the structure of the chimney.

Flue Lining

In order to keep the flue safe, there is a lining which is made of stainless steel for the minimal accumulation of flammable debris. With the presence of this lining, it is easier to clean as well.

Smoke Chamber

Located just before the start of the flue is the gradually diminishing space of the chimney which gently compresses the by-products of heating. Usually the most neglected which can result in undue ignition of the fire.

Smoke Shelf

Just in the back of the flue is the flat shelf to catch any debris that might fall down the flue and also helps in the transition of the large volume of smoke.

Damper Assembly

These are the pulley activated doors within the chimney which can be opened and closed as per the use of the fireplace. When not in use it is preferred to keep it closed to avoid energy loss and debris from falling inside.


On the outer hearth lies this shelf which is mostly used for decorative purpose.


This is the place which is used for the burning of material and comprises of the firebox, mantel, lintel etc. to provide warmth.


Just above the firebox opening lies this piece which is for structure and support


It is a small opening below the damper and above the firebox for the fire to pass through.


The lining of the firebox usually made of a ceramic material for withstanding higher temperature.


The part which is used to build the fire is called Firebox and is often in need of repair as per usage.

Outer Hearth

The structure which is situated just outside the firebox and made up of heat-resistant material.

Inner Hearth

Inside the firebox lies the surface called inner hearth which where the fire takes place and also needs to be heat resistant.

Ash Dump Door

It is the opening towards the ash dump place for ash to fall. Space, where the ash falls through directly, is called the Ash Dump

Clean Out Door

The door is used for cleaning out of ash dump and is on the outside to make ash disposal convenient.

Ash Pit

After the ash dump lies the ash pit which acts as a collection ground for the dumped ash and cares to be taken to empty it frequently for removal of flammable debris.


Going lower down lies the lowest part of the chimney which is made of heavy brick material as it acts as a structural support for the whole chimney. Being exposed to hot ash it needs to be sturdy.


Last but not the least is the horizontal surface under the ash pit. Made up of concrete and acts as a secure placement for the chimney.

With chills coming in, comes the need of the fireplace. Hence make sure to inspect and clean it prior to use for safe and warmer atmosphere for your home.  Start your winter with some chimney cleaning!