Guide To Fireplace Components
Posted on February 28, 2008
Filed Under Home Improvement |
In this guide to fireplace components, let’s look at some key components of a built-in fireplace:
The mouth - this is where the combustion takes place. The size and placement will determine the amount of heat radiation in the room, and also the extent to which the flames can be viewed. It’s advisable to search for the ideal configuration for both parameters, bearing in mind the room’s size.
The grate - this is usually made of wrought iron, and the logs to be burned are place on it. The spacing of the bar should allow only the ashes, not the firewood to fall through.
The ash dump - situated under the grate, it serves to collect the ashes that result from the combustion. It’s usually hidden below the mouth of the fireplace with a removable drawer, to make it easy for ash removal.
The air entrance - an indispensable part of open fireplaces as it guarantees optimum combustion.
The fire hood - it extends from the upper edge of the mouth of the fireplace to the smoke chamber. Its purpose is to extract the fumes and prevent them from coming out through the mouth.
The throat - this runs from the lintel over the mouth of the fireplace before narrowing down the dome damper where it connects with the smoke chamber. It regulates the passage of smoke and fumes and enlarges or reduces the opening of the throat, blocking the entrance of cold air, which would speed up combustion and cause heat loss into the atmosphere.
The smoke chamber - It’s a slanted, bag-shaped space following immediately on from the throat of the fireplace. It prevents sudden draughts of cold air from pushing smoke into the room.
The smoke pipe - this is the final stage of the smoke extraction system. It’s tube shaped and narrows up from the smoke chamber before opening onto the exterior. Normally its crowned with a hood or cap, which sticks out from the roof to provide protection from the elements like the sun, snow and rain.
Lester Fong
http://www.unique-home-decor-ideas.com
Tags: parts of a fireplace
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