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• Combustible Materials
Materials made of or surfaced with wood, compressed
paper, plant fi bers, plastics, or other material that can ig-
nite and burn, whether fl ame proofed or not, or whether
plastered or unplastered shall be considered combus-
tible materials.
• Non-Combustible Sealant Material
Sealants which will not ignite and burn: Rutland, Inc.
Fireplace Mortar #63, Rutland 76R, Nufl ex 304, GE
RTV106 or GE RTV116 (or equivalent).
WARNING
Fire Risk
•
Maintain clearances.
•
Use only non-combustible material below
standoffs, material such as cement board is
acceptable.
•
Framing or fi nishing material used on the front of, or
in front of, the appliance closer than the minimums
listed, must be constructed entirely of noncombustible
materials (i.e., steel studs, concrete board, etc.).
D. Mantel
A combustible mantel may be positioned no lower than
12 in. (305 mm) above the top of the fi replace opening. The
combustible mantel may have a maximum depth of 12 in.
(305 mm).Combustible trim pieces that project no more than
1-1/2 in. (38 mm) from the face of the fi replace can be placed
no closer than 6 in. (152 mm) from the top of the fi replace
opening. See Figure 8.13. Combustible trim must not cover
the metal surfaces of the fi replace. This mantel clearance is
in accordance with Section 7-3.3.3 of ANSI/NFPA211.
12 in. (305 mm)
max.
Mantel
12 in. (305 mm)
min.
Top of
Fireplace
Opening
6 in. (152 mm) min.
Figure 8.13 Mantel Specifi cations
1-1/2 in. (38 mm) max.
Header
Standoff
Heat & Glo • RH-36/RH-42 • 4044-153 Rev S • 06/07
E. Sidewalls/Surrounds
Adjacent combustible side walls must be located a minimum
of 12 in. (305 mm) from the fi replace opening. If you are us-
ing a decorative surround constructed of combustible ma-
terial, it must be located within the shaded area defi ned in
Figure 8.14. Short stub walls are also acceptable if they are
contained within the shaded area.
Fire Risk
Finish all edges and fronts to clearances and
specifi cations.
•
Metal fi replace front may be covered with
non-combustible material only.
•
Do NOT overlap combustible materials onto
fi replace front.
•
Install combustible materials up to specifi ed
clearances on top front and side edges.
•
Seal joints between the fi nished wall and
fi replace top and sides using only a 300° F
minimum sealant.
14-3/8 in.
Flush
(365 mm)
Front
50 deg.
12 in.
(305 mm)
Model #
in.
RH-36
mm
in.
RH-42
mm
Figure 8.14 Sidewalls/Surrounds
F. Glass Doors
This fi replace has been tested and listed for use with doors
as specifi ed in Section 12.B. Fireplace Components. Please
refer to the manual packed with each set of doors for instal-
lation instructions.
WARNING
4 in.
(102 mm)
Brick
Front
A
B
39 deg.
12 in.
(305 mm)
A
B
Fireplace
Outside
Opening
Dimensions
36
41
914
1041
42
47
1067
1194
9-3/4 in.
(248 mm)
33
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