Combustible Mantel - Heatilator A36C Owner's Manual

E. Combustible Mantel
• Refer to the shaded areas of Figure 11.11 for the location and dimensions of a combustible mantel.
• 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. (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.
•
Combustible Wall
2 x 4 stud wall
Standoffs
Seal joint with
non-combustible
sealant
Non-combustible
Decorative Facing
such as:
Steel, iron, brick,
tile, concrete, slate,
glass, plasters.
Figure 11.11 Clearances to Mantels or other Combustibles above Fireplace
1 1/2 in./38 mm
maximum
Measured from top of fireplace opening
Heatilator • A36C & A42C • 28396 • Rev AQ • 10/12
Combustible

Decorative Facing
12 in./305 mm
Mantel
12 in./305 mm
minimum
6 in./152 mm
minimum
6 ft (1829 mm)
minimum
base of fireplace
to ceiling
39