Vermont Castings 36CFDV Installation And Operating Instructions Manual page 26

CFDV Series Gas Fireplace
Typical Roof
Support
Application
Figure 48 –
Venting Supports
Horizontal Overhang
2 ft.
Min.
Termination
Vent
Storm Collar
Flashing
Concentric
Vent Pipe
Figure 49 –
Minimum Chimney Clearance
Roof Pitch
Flat to 6/12
Over 6/12 to 7/12
Over 7/12 to 8/12
Over 8/12 to 9/12
Over 9/12 to 10/12
Over 10/12 to 11/12
Over 11/12 to 12/12
*H – Minimum height from roof to
lowest discharge opening of vent
26
FP1184
Typical Ceiling
Support
Application
2 ft. Min.
Lowest
Discharge
Opening
12
H*
X
1" Minimum Clearance to
Combustibles
H (feet)
1.0
1.25
1.5
2.0
2.5
3.25
4.0
If there is a room above ceiling level, fi re stop spacer must
be installed on both the bottom and the top side of the
ceiling joists. If an attic is above ceiling level an Attic Insu-
lation Shield must be installed. The enlarged ends of the
vent section always face downward.
Figure 50 –
Roof Flashing
FP1971
VENTING INSTALLATION
3 #5 Sheet Metal
Screws per Joint
Sealant
Storm Collar
TWL101a
20305832