Construction of Fireplaces
Properly constructed fireplaces have precisely measured inner and outer structures to ensure proper airflow and performance. They employ fireproof materials in the firebox and hearth for safety. Does this Spark an idea?
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Parts
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A typical fireplace comprises an outer hearth, firebox or inner hearth for the fire, damper to adjust airflow and a flue extending above the fireplace through the chimney.
Materials
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Fireplaces are constructed of a combination of brick, tile, cement and iron. The firebox is made of heat-resistant brick material. A concrete slab finished with fireproof tiling makes up the outer hearth area.
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Dimensions
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A fireplace opening should extend about one-third higher than the depth of the fireplace.
Variations
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Adding a second opening to the fireplace requires making the flue area larger than for a simple single-opening fireplace, corresponding to the extra height, width and depth of the total opening area.
Considerations
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Consult local building codes to ensure that your project meets required specifications, especially those for trickier designs such as those for two-opening fireplaces.
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