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Heat & Glo • RED40, RED40ST • 2155-900 Rev. o • 7/12
55
D. Facing Material
• Facing and/or fi nishing materials must not interfere with
air fl ow through louvers, operation of louvers or doors,
or access for service.
• Facing and/or fi nishing materials must never overhang
into the glass opening.
• Observe all clearances when applying combustible
materials.
1/2 IN.
20-3/4 IN.
FACTORY-SUPPLIED
NON-COMBUSTIBLE
BOARD (2)
= AIR SPACE
1/2 IN.
1/2 IN. THICK
WALL SHEATHING
NON-COMBUSTIBLE BOARD
ON FRONT FACE
SIDE VIEW
7-1/4 IN.
3-1/2 IN.
COMBUSTIBLE
FRAMING
10-1/4 IN.
3-1/2 IN.
= AIR SPACE
1 IN.
1/2 IN.
20-3/4 IN.
FACTORY-SUPPLIED
NON-COMBUSTIBLE
BOARD
1/2 IN. THICK
WALL SHEATHING
NON-COMBUSTIBLE BOARD
ON FRONT FACE (SIDE VIEW)
COMBUSTIBLE
FRAMING
3-1/2 IN.
7-1/4 IN.
11-1/4 IN.
3-1/2 IN.
Figure 13.6 Framing and Framing Materials-RED40ST
Figure 13.5 Framing and Framing Materials-RED40