Combustible Mantel; Sidewalls/Surrounds - Heatilator Wood Burning Fireplace A36CH Owner's Manual

E. Combustible Mantel
• See Figure 11.11.
• A combustible mantel may be positioned no
lower than 12 in. (305 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 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.
F. Sidewalls/Surrounds
• Adjacent combustible sidewalls must be located
a minimum of 12 in. (305 mm) from the fi replace
opening.
• Combustible or noncombustible mantel legs,
surrounds and stub walls may be constructed
per Figure 11.12.
FLUSH
FRONT
10 3/4 in.
[273 mm]
Figure 11.12 Mantel Leg or Wall Projections (acceptable on both sides of opening)
Grid represents 1 in. scale
12 in.
[305 mm]
Heatilator • A36C & A42C • 28396 • Rev AG • 11/08
Combustible Wall
2 x 4 stud wall
Standoffs
Seal joint with
noncombustible
sealant
Figure 11.11 Clearances to Mantels or other Combustibles above Fireplace
BRICK
FRONT
A
B
12 in.
[305 mm]
Model #
A36
A42
Combustible Decorative Facing
12 in./305 mm MAXIMUM
Noncombustible
Decorative Facing
12 in.305 mm MINIMUM
Measured from top of fireplace opening
4 in.
[102 mm]
9 3/4 in.
[248 mm]
A
Fireplace Opening Outside Dimensions
in. 36
mm 914
in. 42
mm 1067
6 ft (1829 mm
MINIMUM
base of fireplace
to ceiling
B
42
1067
48
1219
39