B. Clearances
WARNING! Risk of Fire!
DO NOT
Figure 6.2
Storm Collar
Roof Flashing
(attic)
(insulation)
2 in. (51 mm) min.
Ceiling Firestop
48 in.
1219 mm
0 in.
to floor
Clearances to Combustible Materials
Note:
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
0 in. to level
of standoffs
1/2 in. (13 mm) to back &
sides of appliance
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