19
Heatilator • GBST4336I, GBFL4136I • 2135-900 • 2/08
MEASUREMENTS FROM
TOP EDGE OF THE OPENING
5
10
11
12
2-1/2
13
14
15
16
17
18
19
32
TO CEILING
9
10
11
12
8
7
6
5
4
3
25
18
D. Mantel and Wall Projections
WARNING! Risk of Fire! Comply with all minimum clear-
ances to combustibles as specifi ed. Framing or fi nishing
material closer than the minimums listed must be construct-
ed entirely of noncombustible materials (i.e., steel studs,
concrete board, etc).
Figure 5.4 Minimum Clearances to Combustible Mantels
or Other Combustibles Above Appliance
Note:
All
measurements
in inches.
GBST4336I Mantel Projection
TOP VIEW
3-1/4 in.
MIN.
2-7/16
in. MIN.
1/2 in.
MIN.
UNLIMITED
1 in.
MAX.
Figure 5.6 Clearances to Combustible Mantel Legs or Wall
Projections (Acceptable on both sides of opening.)
Note: Clearance from
opening to perpendicular
wall.
Combustible Mantel Legs or Wall Projections
Figure 5.7 Non-Combustible Zone
SHEETROCK
AIR SPACE REQUIRED
3-1/4 in.
MEASUREMENTS FROM
TOP EDGE OF THE OPENING
5
10
11
12
1
13
14
15
16
17
18
19
32
TO CEILING
9
10
11
12
8
7
6
5
4
3
25
18
Note:
All
measurements
in inches.
Figure 5.5 Minimum Clearances to Combustible Mantels
or Other Combustibles Above Appliance
GBFL4136I Mantel Projection