E. Combustible Mantel

See Figure 11.4.

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. (152 mm) 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

2 x 4 stud wall

Standoffs

7 ft (2134 mm)

minimum

base of fireplace

to ceiling

Combustible

Decorative Facing

12 in./305 mm MAXIMUM

12 in./305 mm MINIMUM

Noncombustible

Decorative Facing

Seal joint with

non-combustible

sealant

Measured from top of fireplace opening

Î

Figure 11.4 Clearances to Mantels or other Combustibles above Fireplace

40

Heat & Glo • HST-42D • 27177 • Rev AB • 11/08

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Hearth and Home Technologies HST-42D Combustible Mantel, Clearances to Mantels or other Combustibles above Fireplace