B. Clearances
Warning! Risk of Fire! You must comply with all minimum air space clearances to combustibles as specified in Fig- ure 6.2. Do NOT pack required air spaces with insulation or other materials.
Storm Collar
Roof Flashing
(attic)
(insulation)
Shaded areas
represent
2 in. (51 mm) min.
air space clearance required around pipe
Attic
Insulation
Shield
(ceiling)
2 in. (51 mm) min. 
Offset/Return (secured
with hanger straps)
(ceiling)
Ceiling Firestop 
Object | 48 in. | |
| ||
Combustible | 1219 mm | |
0 in. | ||
| ||
| to floor |
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
Figure 6.2 Clearances to Combustible Materials
Note: Chimney air kit is not shown, but is required in Canada.
Heat & Glo • | 19 |
