Heatilator • GDST5244I • 4045-127 • Rev Z • 08/09
44
0 in. min.
to perpendicular wall
A
4-5/8 in. (117 mm) min.
from fireplace opening
to perpendicular wall
B
Mantel Leg or
Perpendicular Wall
Top of
Appliance
Drywall
A
B
Measured from top of fireplace opening (in inches)
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
4-5/8
6-1/4
7
7-3/4
8-1/2
9-1/4
10
10-3/4
11-1/2
12-1/4
13
13-3/4
14-1/2
15-1/4
16
16-3/4
30 in. minimum
to ceiling
14
Finishing
A. Mantel and Wall Projections
WARNING! Risk of Fire!
Comply with all minimum clear-
ances to combustibles as specified. Framing or finishing
material closer than the minimums listed must be construct-
ed entirely of non-combustible materials (i.e., steel studs,
concrete board, etc).
Figure 14.1 Minimum Vertical and Maximum Horizontal Dimensions
Figure 14.2 Mantel Leg or Wall Projections (Acceptable on both
sides of opening)
Mantels
Mantel Legs or Wall Projections
0 in.
0 in.
0 in.
Finish wall material may be
combustible - Top and Sides
High Temperature Sealant (300° F/149° C min.)
Top and Side Seal Joint
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 14..
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 14.3 Non-combustible Facing Diagram