Heatilator • BCBV36 • 4008-033 • Rev P • 8/12
29
Measured from top of hood (in inches)
3 - 12
13
14
15
16
17
18
13
13-3/4
14-1/2
15-1/4
16
16-3/4
17-1/2
35-1/2 in. minimum
to ceiling
0 - 3
12-1/2
1 in. (25 mm) min.
to perpendicular wall
A
2-3/8 in. (60 mm) min.
from fireplace opening
to perpendicular wall
B
Mantel Leg or
Perpendicular Wall
Top of
Appliance
Drywall
A
B
13
Finishing
A. Mantel and Wall Projections
WARNING! Risk of Fire!
Comply with all minimum clear-
ances as specified. Framing closer than the minimums
listed must be constructed entirely of noncombustible
materials (i.e., steel studs, concrete board, etc.) Failure to
comply could cause fire.
Figure 13.1 Minimum Vertical and Maximum Horizontal Dimen-
sions of Combustibles
Mantels
Figure 13.2 Combustible Mantel Leg or Wall Projections (Accept-
able on both sides of opening)
Mantel Legs or Wall Projections
B. Facing Material
• Metal front faces may be covered with non-combustible
materials only.
• Facing and/or finishing materials must not interfere with
air flow through louvers, operation of louvers or doors,
or access for service.
• Facing and/or finishing materials must never overhang
into the glass opening.
• Observe all clearances when applying combustible
materials.
• Seal joints between the finished wall and appliance top
and sides using a 300 °F minimum sealant. Refer to
Figure 13.3.
WARNING! Risk of Fire! DO NOT
apply combustible ma-
terials beyond the minimum clearances. Comply with all
minimum clearances to combustibles as specified in this
manual. Overlapping materials could ignite and will inter-
fere with proper operation of doors and louvers.
Figure 13.3 Noncombustible Facing Diagram
These surfaces
may be covered
with non-combustible
material.
Non-combustible
sealant.