Hearth and Home Technologies CASTLEWOOD 42 - Manual (Page 26)

Outdoor Lifestyles by Hearth & Home Technologies Inc. • 4070-300 Rev D • 11/11 26
G. Mantel
Figure 9.3 Clearance to Mantel or other non-combustilbes above fireplace
• Refer to the shaded areas of Figure 9.3 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 7-3.3.3 of ANSI/NFPA211.
7 ft (2134 mm)
minimum
base of fireplace
to ceiling
Combustible Wall
2 x 4 stud wall
Standoffs
Measured from top of fireplace opening
12 in./305 mm
1 1/2 in./
38 mm
maximum
22 in./559 mm
minimum
Combustible
Decorative Facing
Seal joint with
non-combustible
sealant
6 in./152 mm
minimum
12 in./305 mm
minimum
Grid represents
1 in. squares
Non-combustible
Decorative Facing
such as:
Steel, iron, brick,
tile, concrete, slate,
glass, plasters.
Mantel
Metal support to stablize wall and mantel