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Majestic Biltmore Series • SB100 • 4013-303 Installers Manual • Rev H • 08/20
B. Clearances
WARNING! Risk of Fire!
You must comply with all minimum air space clearances
to combustibles as specified in Figure 3.3.
DO NOT
pack
required air spaces with insulation or other materials.
Framing or finishing material used on the front of, or in
front of, the fireplace closer than the minimums listed must
be constucted entirely of non-combustible materials (i.e.,
steel studs, concrete board, etc.). Failure to comply may
cause fire.
Minimum Clearances to Combustibles
WITHIN ENCLOSURE AREA
Fireplace to backwall
1-1/2 in. (38 mm)
Fireplace to sidewall
1-1/2 in. (38 mm)
Top standoffs to header
0 in. (0 mm)
Door opening to sidewall
24 in. (610 mm)
MANTEL
Mantel minimum height
20 in. (508 mm)
above opening
Maximum mantel depth
12 in. (305 mm)
Figure 3.3 Clearances to Combustible Materials
0 in.
from floor
Attic
Insulation
Shield
Ceiling Firestop
(ceiling)
(roof)
(attic)
(ceiling)
2 in. min.
(51 mm)
2 in. min.
(51 mm)
2 in. min.
(51 mm)
2 in. min.
(51 mm)
2 in. min.
(51 mm)
2 in. min.
(51 mm)
Must have 2 in. (51 mm)
minimum clearance
to header
Ceiling Firestop
Offset/Return with
hanger straps
Storm Collar
Roof Flashing
0 in. to level
of standoffs
1-1/2 in. (38mm) from
side of appliance
(except at nailing flanges
where it is 1/2 in. (13 mm)
1-1/2 in. (38mm) from
back of appliance
