
Heat & Glo • RH-36/RH-42 • 4044-153 Rev U • 11/07
10
B. Clearances
0 in.
to floor
1/2 in. (13 mm)
to side of
appliance
1/2 in. (13 mm) to
back of appliance
0 in. to level
of standoffs
Attic
Insulation
Shield
Ceiling Firestop
(ceiling)
(roof)
(attic)
(ceiling)
2 in. (51 mm) min.
2 in. (51 mm) min.
2 in. (51 mm) min.
2 in. (51 mm) min.
2 in.
(51 mm)
min.
2 in. (51 mm) min.
Must have 2 in. (51 mm)
minimum clearance
to header
Ceiling Firestop
Offset/Return with
hanger straps
(straps not shown)
Storm Collar
Roof Flashing
Figure 3.2 Clearances to Combustible Materials
Fire Risk
• Comply with all minimum clearances to combustibles as speci
fi
ed.
• 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.).
Failure to comply may cause
fi
re.
WARNING