45
Heat & Glo • RED40, RED40ST Installation Manual • 2155-980 Rev. C • 11/13
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.
Figure 10.3 Framing and Framing Materials-RED40ST
Non-Combustible Finish Materials
0 - 1 inch thickness-Overlap Fit Method
The mesh front is designed to overlap
fi
nish materials 0
inches to 1 inch thick. See Figure 10.4.
NOTICE:
This one inch maximum not only includes the
decorative
fi
nish materials (marble, tile, slate, etc) but also
the thin set, lath and adhesive used to attach the decorative
fi
nish material
.
The non-combustible
fi
nish material can be installed up to
the 16 inch (height) by 43 inch (width)
fi
replace opening.
Figure 10.4 Overlap Fit Method
33-1/2 IN. HEIGHT
FACTORY INSTALLED
NON-COMBUSTIBLE BOARD
= NO SCREWS IN THIS AREA
= 2 IN. MAX. SCREW LENGTH
SIDE FINISH NON-COMBUSTIBLE
BOARD (2)
47 IN. WIDTH
FACTORY INSTALLED NON-COMBUSTIBLE BOARD
Figure 10.5 Non-Combustible Finish Material Diagram for
0-1 Inch Thick Overlap Fit Method
= AIR SPACE
NON-COMBUSTIBLE BOARD
ON FRONT FACE (SIDE VIEW)
COMBUSTIBLE
FRAMING
1/2 IN.
1 IN.
20-3/4 IN.
FACTORY-SUPPLIED
NON-COMBUSTIBLE
BOARD (2)
1/2
IN. THICK
WALL SHEATHING
3-1/2 IN.
11-1/4 IN.
7-1/4 IN.
3-1/2 IN.
WARNING! Risk of Fire! DO NOT
apply combustible
materials beyond the minimum clearances. Comply with
all minimum clearances to combustibles as speci
fi
ed in
this manual. Overlapping materials could ignite and will
interfere with proper operation of doors and louvers.
WARNING! Risk of Fire! DO NOT
install drywall or
other combustible materials directly onto the factory-
installed non-combustible board. Overlapping materials
could ignite.
Decorative facing material thickness is measured from
the face of the factory-installed non-combustible board.
See Figure 10.2 and Figure 10.3.
The mesh front can be installed such that it overlaps non-
combustible materials up to 1 in. thick. See Figure 10.4
and Figure 10.5.
Refer to Section 1.E and 1.F of this manual for de
fi
nition
and quali
fi
cations and de
fi
nition of non-combustible and
combustible materials.
Speci
fi
c requirements for each method if installation are
described below and on the following pages of this section.
