
Heat & Glo • RH-36/RH-42 • 4044-153 Rev U • 11/07
33
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 de
fi
ned in
Figure 8.14. Short stub walls are also acceptable if they are
contained within the shaded area.
12 in. (305 mm)
min.
12 in. (305 mm)
max.
Top of
Fireplace
Opening
Mantel
1-1/2 in. (38 mm) max.
6 in. (152 mm) min.
Header
Standoff
9-3/4 in.
(248 mm)
14-3/8 in.
(365 mm)
12 in.
(305 mm)
4 in.
(102 mm)
Brick
Front
Flush
Front
12 in.
(305 mm)
A
B
50 deg.
39 deg.
Figure 8.14 Sidewalls/Surrounds
Fire Risk
Finish all edges and fronts to clearances and
speci
fi
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 speci
fi
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.
WARNING
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
.
Figure 8.13 Mantel Speci
fi
cations
Model #
A
Fireplace
Opening
B
Outside
Dimensions
RH-36
in.
36
41
mm
914
1041
RH-42
in.
42
47
mm
1067
1194
F. Glass Doors
This
fi
replace has been tested and listed for use with doors
as speci
fi
ed in Section 12.B. Fireplace Components. Please
refer to the manual packed with each set of doors for instal-
lation instructions.
• 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, Nu
fl
ex 304, GE
RTV106 or GE RTV116 (or equivalent).
Fire Risk
• Maintain
clearances.
• Use only non-combustible material below
standoffs, material such as cement board is
acceptable.
WARNING
• 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.).