This cost estimate deals with the replacement of a fireplace throat damper door and frame if needed.

Fireplace throat damper.
If the damper sits right above the fireplace it is a traditional throat damper.
The total area of the fireplace opening is found by multiplying the finished open width by the finished open height a x b.
These are usually operated with a pushlift rod poker damper or some type of rotary control.
Vestal cast iron fireplace throat damper.
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 isnt being used.
The most common chimney damper repair occurs with old cast iron or steel throat dampers which were installed when the chimney was originally constructed.
Unlike the top mounted damper which is obviously located on the upper end of the chimney the throat damper is located more towards the fireplace.
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Correct proportioning of the fireplace opening has a great deal to do with how well the fireplace will function.
Traditionally there are two different types of fireplace dampers.
We also include a comparison to remove the throat door and install a chimney top damper.
The reason for this is that unlike the top mounted damper a throat damper.
Handles for fireplace dampers.
For this reason these handles often rust so badly that they no longer work.
The handles of throat dampers pass through the face of the fireplace and connect to the fireplace damper plate.
The size of the opening also determines the correct size flue lining to use.
These are often spring loaded and default to an open position.
A throat damper is a plate made from a fire resistant material such as metal or ceramic and sits just above the firebox covering the entire internal area of the chimney.
These are commonly used in new construction and are the preferred damper of many professionals.
My flue fell out of my chimney.
Throat damper problems askthechimneysweep.
After years of constant exposure to heat ashes and moisture many fireplace dampers will become stuck warped or inefficient.
If the damper sits on or near the top of the fluechimney then it is a top mount.
Buy chimney 26236 36 in.
If a fireplace has a damper its typically found within the throat of the chimney but can also be found located at the very top.
The damper is the small door inside of your fireplace chimney that opens to allow smoke to exit the chimney.
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