Heatiator BIR42 owner manual E. Combustible Mantel

E. Combustible Mantel

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Refer to the shaded areas of Figure 12.11 for the location and dimensions of a combustible mantel.

A combustible mantel may be positioned no lower than 22 in. (508 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 7-3.3.3of ANSI/NFPA211.

Combustible Wall	Combustible	7 ft (2134 mm)
	Decorative Facing
		minimum
		base of fireplace
		to ceiling
2 x 4 stud wall
	Grid represents
	1 in. squares
Standoffs	12 in./305 mm
	Mantel
	22 in./559 mm
	minimum
	12 in./305 mm
Non-combustible	minimum
Decorative Facing
such as:
Steel, iron, brick,	6 in./152 mm
tile, concrete, slate,	minimum
glass, plasters.	1 1/2 in./
	38 mm
	maximum
Seal joint with	Measured from top of fireplace opening
non-combustible
sealant

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Figure 12.11 Clearances to Mantels or other Combustibles above Fireplace

Heatilator • Birmingham BIR42 • 4059-308 Rev J • 1/11 45