Hearth and Home Technologies CR36D - Manual (Page 39)

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E. Combustible Mantel
• See Figure 11.4.
• A combustible mantel may be positioned no lower
than 12 5/8 in. (321 mm) above the top of the fi replace
opening.
• A combustible mantel may have a maximum depth of
10 in. (254 mm).
• Combustible trim and materials cannot be placed within
6 in. (152 mm) of the fi replace 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 fi replace opening.
• Combustible trim must not cover the metal surfaces of
the fi replace.
• Mantel clearance is in accordance with Section 7-3.3.3
of ANSI/NFPA211.
10 in. (254 mm)
41 in. (1041 mm)
Minimum ceiling height: 7 ft. (2.13 m)
Figure 11.4 Clearances to Mantels or other Combustibles above
Fireplace
F. Sidewalls/Surrounds
• Adjacent combustible sidewalls must be located
a minimum of 18 in. (457 mm) from the fireplace
opening.
16 3/4 in.
Minimum
48 in. Min.
36-5/8 in.
50 deg
20 in.
4 in.
39 deg
BRICK
FRONT
14-1/2 in.
18 in. Min.
48 in. Min.
34 in.
39 deg
14-1/2 in.
18 in. Min.
16 3/4 in.
Minimum
50 deg
20 in.
Figure 11.5 Mantel Leg or Wall Projections (acceptable on both sides of opening)
• Combustible or non-combustible mantel legs, surrounds
and stub walls may be constructed per Figure 11.5.
Heatilator • CL36D, CR36D • 12538 • Rev T • 09/08