If the chain or handle isn t firmly secured in the bracket the damper is open.
Fireplace damper chain open or closed.
They remain open until you pull a chain or handle usually mounted on the side of the firebox to close them and secure the mechanism to keep the damper closed.
It s why so many of us prioritize purchasing homes with fireplaces in them.
One of the most pervasive causes of a stuck damper is rust often caused when rainwater enters the chimney through a faulty or nonexistent chimney cap.
After you ve opened the damper you should feel air coming down the chimney.
To verify that take a mirror and hold it in the fireplace and look and see if you can see the sky above if you can then it is jammed in.
Top mount dampers use a spring loaded design.
Chimney top and throat.
They usually feature mesh guards to keep critters out of your flue and a leak proof gasket to keep moisture at bay.
An open damper allows smoke to exit the chimney rather than backing up into the house.
The damper is a steel or cast iron door that opens and closes the throat of the firebox into the flue.
If it s hanging freely the damper is closed.
If you don t feel any air coming down the chimney or if you ve opened the damper but your fireplace is still smoking you should contact a chimney specialist.
You should feel the chain spring up as the damper opens.
Chimney top dampers sit at the top of the chimney with a chain and lever to open and close it.
Throat dampers sit lower in the flue just above the firebox.
If the chain is tightly attached to a hook the damper is closed.
For chimney cap dampers look for a chain inside your fireplace.
However before you use your fireplace it s important that you understand how to operate it properly.
If it has then the damper is jammed in the open position.
Dampers are made to close tightly when you aren t using your fireplace in order to prevent air exchange between the inside and outside of your home.
Fireplace dampers come in two main types.
Often a damper becomes difficult to operate or sticks in one position.
Fireplaces are constructed fairly simply.
A fireplace damper is a device that can be manually opened or closed with the purpose of allowing gases and other byproducts from a fireplace to be safely vented from a building when open but to also prevent air from escaping the building when a fireplace isn t being used.
Fireplace dampers are typically made of metal or ceramic so they can tolerate the heat of the fire without suffering damage.
It also creates a draft of the air necessary for this to happen.
The damper can be opened and closed through a few different mechanisms including a latch a pull chain or a handle.
One key aspect of this is understanding when your dampers are open and when they re closed.