Fireplace Terms
Ash dump - Some fireplaces have an enclosed system, called the ash dump, for conveniently clearing ash from the hearth so that you don't have to carry it through the living areas.
Chimney - The chimney, which is sometimes called 'the stack' is the part of the system that carries smoke and other byproducts of the burning fire (such as hot air, gases, and minute, unburned particles) upward, through the roof of your house, and out into the atmosphere. A chimney may be made of various materials, including brick, clay, concrete, and insulated stainless steel.
Damper - The damper, which often resembles a plate, is actually a movable device that spans the lower end of the smoke chamber to open or close the flue.
Firebox - The firebox holds the burning fuel and fire. Sometimes called the fire chamber.
Flue - A passageway called the flue carries the byproducts of burning fuel - heat, smoke, gases and unburned particles - to the outside air. A chimney flue is the shaft within a chimney.
Hearth - Technically, the hearth is the term that refers the floor of the firebox, although many people refer to the fireplace itself as 'the hearth'. Maybe that's because the hearth can extend beyond the firebox and into the room just in front of the fireplace.
Lintel - The lintel is a horizontal support that spans the top opening at the front of the firebox.
Mantel - A mantel is a shelf or other facing ornamentation that is mounted above and across the fireplace. Also referred to as the 'surround'. Mantels are made from a variety of materials, usually wood, but often from natural stone, cast stone or other materials.
Mantel cap - A mantel cap is a facing ornamentation that is just a shelf, with no 'legs' or 'surround'.
Mantel legs - Mantel legs are the pieces of a mantel that 'surround' or go vertically on both sides of the fireplace, connected to the mantel cap.
Smoke chamber - This is the area between the damper and the beginning of the flue.
Throat - A narrow opening located over the firebox, the throat aids the flow of smoke, gases and flames into the smoke chamber, and eventually out through the chimney.
Smoke shelf - The floor at the back of the smoke chamber is called the smoke shelf.
Surround - Surround is the word that refers to the facing ornamentation mounted at the sides and top of the fireplace opening.
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