Mantel And Wall Projections And Non Combustible Zone - Heat & Glo ST-550TM-IPI Owner's Manual

D. Mantel and Wall Projections and Non
Combustible Zone
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).
Combustible Mantel
Note: All measurements in inches.
3
NON-COMBUSTIBLE
MATERIAL
6 IN.
Figure 5.3 Minimum Vertical and Maximum Horizontal
Dimensions of Combustibles
Non-Combustible Mantel
Note: All measurements in inches.
NON-COMBUSTIBLE
MATERIAL
6 IN.
Figure 5.4 Minimum Vertical and Maximum Horizontal
Dimensions of Non-Combustibles
20
CEILING
MAX.
12
11
10
9
8
7
6
5
4
21
20
19
18
17
16
15
14
13
12
MEASUREMENT FROM FIREPLACE OPENING
TO BOTTOM OF APPLIANCE = 30-1/4 IN.
CEILING
MAX.
18
12
11
10
32
9
MIN.
15
8
9
8
7
6
5
MEASUREMENT FROM FIREPLACE OPENING
TO BOTTOM OF APPLIANCE = 30-1/4 IN.
Heat & Glo • ST-550TM-IPI • 2142-900 Rev. P • 12/15
TOP VIEW
FIREPLACE
OPENING
Note: Clearance from opening to perpendicular wall.
Figure 5.5 Combustible Mantel Leg or Wall Projections
32
MIN.
Figure 5.6 Non-Combustible Zone
3-1/4 in.
Min.
(Acceptable on both sides of opening)
1/2 IN. WALL SHEATHING
SHEETROCK
NON COMBUSTIBLE MATERIAL
9 INCHES
1 INCH INSULATION
AIR SPACE REQUIRED
1/2 in.
Min.
Unlimited
23-3/4 in.