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Mantel—Either the shelf above a fireplace or the structure to support masonry above a fireplace [23] Smoke shelf—A shelf below the smoke chamber and behind the damper. It collects debris and water falling down the flue. [24] Throat (waist)—The narrow area above a fireplace usually where the damper is located. [21]
Mantelpiece is now the general term for the jambs, mantel shelf, and external accessories of a fireplace. For many centuries, the chimneypiece was the most ornamental and most artistic feature of a room, but as fireplaces have become smaller, and modern methods of heating have been introduced, its artistic as well as its practical significance ...
For fully sprinkled buildings, the required rating is just one hour.) [4] The fans must be connected to an emergency power supply, and capable of both automatic activation by various fire and smoke detectors, and of manual activation by a central command post or by the actuation of a general fire alarm.
Thanks to the discontinuity produced by Rumford's brick "smoke shelf", the flow of smoke gases up the chimney became detached from the outside wall at the lip of the shelf. This set up a counter-circulation of outside air which flowed down the backside of the chimney, while a mixture of outside air and smoke flowed up the opposite side.
Ventilation is a part of structural firefighting tactics, and involves the expulsion of heat and smoke from a burning building, permitting the firefighters to more easily and safely find trapped individuals and attack the fire. It is frequently performed from the outside of a burning building while the fire is being extinguished on the inside.
A smokehouse (North American) or smokery (British) is a building where meat or fish is cured with smoke. The finished product might be stored in the building, sometimes for a year or more. [1] Even when smoke is not used, such a building—typically a subsidiary building—is sometimes referred to as a "smokehouse".
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A chimney is an architectural ventilation structure made of masonry, clay or metal that isolates hot toxic exhaust gases or smoke produced by a boiler, stove, furnace, incinerator, or fireplace from human living areas.