B. Mantel and Wall Projections
WARNING! Risk of Fire! Comply with all minimum clear-
ances as specifi ed. Framing closer than the minimums list-
ed must be constructed entirely of noncombustible materials
(i.e., steel studs, concrete board, etc.).
All measurements are in inches.
7
6
5
4
3
4
TOP OF HOOD OR FIREPLACE OPENING
Figure 13.12 Clearances to Mantels or other Combustibles
above Appliance
FRAMING HEADER
11-1/2 IN..
1/2 IN.
Figure 13.13 Non-Combustible Zone
CEILING
12
11
10
9
8
32
13
12
11
10
9
8
7
6
5
1/2 IN. THICK
WALL
SHEATHING
Heat & Glo • SL-550METRO, SL-550METRO-LP • 2185-900 Rev. D • 8/09
2-7/8 IN.
MINIMUM
Note: Clearance from opening
to perpendicular wall.
Figure 13.14 Mantel Leg (Acceptable on both sides of opening.)
Note: Clearance from opening
to perpendicular wall.
Figure 13.15 Wall Projection (Acceptable on one side of opening.)
It is acceptable to use combustible tape on the front face
between the supplied non-combustible board and the fi n-
ishing material. Combustible tape may be placed up to one
inch into the non-combustible zone. See Figure 13.16.
1 IN.
1 IN.
Figure 13.16 Combustible Tape Area
1/2 IN.
MINIMUM
3 FT. MAXIMUM
3 IN.
MINIMUM
5-3/8 IN.
MINIMUM
UNLIMITED
57