Mantel And Wall Projections - Heatilator Gas Fireplace GDST3831I Owner's Manual

D. Mantel and Wall Projections
WARNING! Risk of Fire! Comply with all minimum clear-
ances as specifi ed. Framing or fi nishing material closer than
the minimums listed must be constructed entirely of noncom-
bustible materials (i.e., steel studs, concrete board, etc).
Note: All
measurements
in inches.
MAX.
6
5
4
3
4
TOP OF HOOD OR FIREPLACE OPENING
Figure 5.3 Minimum Vertical and Maximum Horizontal
Dimensions of Combustibles
Note: All
measurements
in inches.
MAX.
6
5
4
TOP OF HOOD OR FIREPLACE OPENING
Figure 5.4 Minimum Vertical and Maximum Horizontal
Dimensions of Non-Combustibles
20
CEILING
12
11
10
9
8
7 32
13
12
11
10
9
8
7
6
5
CEILING
18
12
11
10
32
9
MIN.
14
8
8
7 7
6
5
4
3
2
1
Heatilator • GDST3831I • 2127-900 Rev. F • 10/08
TOP VIEW
FIREPLACE
OPENING
Note: Clearance from opening to
perpendicular wall.
Figure 5.5 Combustible Mantel Leg or Wall Projections
MIN.
Figure 5.6 Non-Combustible Zone
3-1/4 in.
Min.
(Acceptable on both sides of opening)
SHEETROCK
3.5 in.
AIR SPACE REQUIRED
1/2 in.
Min.
Unlimited