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E. Combustible Mantel
• See Figure 12.11.
• A combustible mantel may be positioned no lower than 22 in. (508 mm) above the top of the fi replace opening.
• A combustible mantel may have a maximum depth of 12 in. (305 mm).
• Combustible trim and mantels 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.
7 ft (2134 mm)
minimum
floor to ceiling
Combustible Wall
2 x 4 stud header
Standoffs
Measured from top of fireplace opening
12 in./305 mm MAXIMUM
22 in./559 mm MINIMUM
Noncombustible Decorative Facing
Seal joint with
non-combustible sealant
Figure 12.11 Clearances to Mantels or other Combustibles above Fireplace
Heat & Glo • RUTHERFORD-50 • 4059-333 Rev C • 06/08