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E. Combustible Mantel
• See Figure 11.11.
• A combustible mantel may be positioned no lower than
12 in./305 mm (I60) or 20 in./508 mm (I80) above the
top of the fi replace 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 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.
12 in.
(305 mm)
55-1/2 in.
(1410 mm)
Effective
Height
*
Top of
Fireplace
Opening
* I60 12 in./305 mm
I80 20 in./504 mm
Figure 11.11 Clearances to Mantels or other Combustibles above
Fireplace
Heatilator • I60, I80 • 4013-250 • Rev C • 11/08