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E. Combustible Mantel
•Refer to shaded areas of Figure 11.9 for the location and dimensions of a combustible mantel.
•A combustible mantel may be positioned no lower than 12 in. (305 mm) above the top of the fireplace opening.
•A combustible mantel may have a maximum depth of 12 in. (305 mm).
•Combustible trim and materials cannot be placed within 6 in. (152mm) of the fireplace opening (top or sides).
•Combustible materials projecting more than 1 1/2 in. (38 mm) shall not be placed within 12 in. (305 mm) from the top of the fireplace opening.
•Combustible trim must not cover the metal surfaces of the fireplace.
•Mantel clearance is in accordance with Section
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| 7 ft (2134 mm) |
Combustible Wall |
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| Combustible | minimum |
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| base of fireplace | ||
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| Decorative Facing | |
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| to ceiling | |
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2 x 4 stud wall |
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| 12 in./305 mm |
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Standoffs |
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12 in./305 mm
minimum
Seal joint with |
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sealant |
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6 in./152 mm |
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1 1/2 in./38 mm |
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maximum |
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Measured from top of fireplace opening
Decorative Facing such as:
Steel, iron, brick, tile, concrete, slate, glass, plasters.
Figure 11.9 Clearances to Mantels or other Combustibles above Fireplace
42 | Heatilator • EL36/EL42 • |