Clearances; Minimum Clearances To Combustibles - Heatilator I60 Installation Manual

B. Clearances
WARNING! Risk of Fire!
You must comply with all minimum air space clearances
to combustibles as specified in Figure 3.2. 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.
Figure 3.2 Clearances to Combustible Materials
10
Storm Collar
Roof Flashing
(attic)
(insulation)
2 in. (51 mm) min.
Ceiling Firestop
48 in.
1219 mm
0 in.
to floor
Heatilator • I60/I80 • 4013-260 Installers Manual • Rev G • 10/07/13

Minimum Clearances to Combustibles

WITHIN ENCLOSURE AREA
Fireplace to backwall (I60)
Fireplace to backwall (I80)
Fireplace to sidewall (I60)
Fireplace to sidewall (I80)
Top standoffs to header
Door opening to sidewall
MANTEL
Mantel minimum height
Maximum mantel depth
Shaded areas
represent
2 in. (51 mm) min.
air space clearance
required around pipe
Attic
Insulation
Shield
(ceiling)
Offset/Return (secured
with hanger straps)
(ceiling)
Must have 2 in. (51 mm)
minimum clearance
to header
Adapter attached here (not shown)
0 in. to level
of standoffs
Clearance to back &
sides of appliance
I60 - 1 in. (25 mm)
I80 - 1 1/2 in. (38 mm)
(except at nailing flanges
where it is 1/2 in. [13 mm])
1 in. (25 mm)
1 1/2 in. (38 mm)
1 in. (25 mm)
1 1/2 in. (38 mm)
0 in. (0 mm)
24 in. (610 mm)
48 1/8 in. (1222 mm)
12 in. (305 mm)
Note: Chimney air kit and 11-10
in./279 -254 mm adapter are
not shown, but are required in
Canada.