Hearth and Home Technologies A36C Indoor Fireplace User Manual


 
39
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
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 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 replace
opening.
Combustible trim must not cover the metal
surfaces of the replace.
Mantel clearance is in accordance with Section
7-3.3.3 of ANSI/NFPA211.
6 ft (1829 mm
MINIMUM
base of fireplace
to ceiling
Combustible Wall
2 x 4 stud wall
Standoffs
Measured from top of fireplace opening
12 in./305 mm MAXIMUM
12 in.305 mm MINIMUM
Combustible Decorative Facing
Noncombustible
Decorative Facing
Seal joint with
noncombustible
sealant
Figure 11.11 Clearances to Mantels or other Combustibles above Fireplace
F. Sidewalls/Surrounds
Adjacent combustible sidewalls must be located
a minimum of 12 in. (305 mm) from the replace
opening.
Combustible or noncombustible mantel legs,
surrounds and stub walls may be constructed
per Figure 11.12.
B
A
12 in.
[305 mm]
9 3/4 in.
[248 mm]
12 in.
[305 mm]
10 3/4 in.
[273 mm]
FLUSH
FRONT
4 in.
[102 mm]
BRICK
FRONT
50° angle
39° angle
Grid represents 1 in. scale
Figure 11.12 Mantel Leg or Wall Projections (acceptable on both sides of opening)
Model #
A
Fireplace Opening
B
Outside Dimensions
A36
in. 36 42
mm 914 1067
A42
in. 42 48
mm 1067 1219
Heatilator • A36C & A42C • 28396 • Rev AG • 11/08
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