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Heat & Glo • SLR • 2143-900 Rev. B • 7/08 51
C. 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.
WARNING! Risk of Fire! DO NOT apply combustible
materials beyond the minimum clearances. Comply with
all minimum clearances to combustibles as specifi 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 over the factory-installed non-com-
bustible board. Overlapping materials could ignite.
Decorative facing material thickness is measured from
the face of the factory-installed non-combustible board.
See Figure 13.12 and Figure 13.14.
Both the Tonic and Martini decorative fronts can be in-
stalled such that they overlap non-combustible materials
up to 1 in. thick. See Figure 13.12 and Figure 13.13.
Additionally, the Tonic is approved to be installed in an
inside fi t application with up to 4 in. of non-combustible
material up to 4 in. thick. See Figure 13.14, Figure 13.15
and Figure 13.16.
Please refer to the appropriate section for specifi c require-
ments for each method if installation. See Figure 13.17
and Figure 13.18 for decorative front identifi cation.
Non-Combustible Finish Materials
0 - 1 inch thickness-Overlap Fit Method
Both the Tonic and Martini decorative fronts are designed
to overlap fi nish materials 0 inches to 1 inch thick. See
Figure 13.12.
NOTICE: This one inch maximum not only includes the
decorative fi nish materials (marble, tile, slate, etc) but also
the thinset, 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 13.12 Overlap Fit Method (Tonic or Martini Decorative
Front)
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FACTORY-INSTALLED
NON-COMBUSTIBLE
BOARD
DRYWALL OR
EQUIVALENT
(1/2 IN.)
NON-COMBUSTIBLE
FINISHING MATERIAL
0-1 IN. THICK
NON-COMBUSTIBLE
FINISHING MATERIAL
0-1 IN. THICK
TONIC DECORATIVE
FRONT SHOWN
0 in.
NON-COMBUSTIBLE
BOARD
Side
Joint
Top Joint
Side
Joint
Bottom
Joint
Figure 13.13 Non-Combustible Finish Material Diagram for 0-1
Inch Thick Overlap Fit Method (Tonic or Martini
Decorative Front)