CFDV Series Gas Fireplace
26
20306739
VENTING INSTALLATION
Typical Roof
Support
Application
Typical Ceiling
Support
Application
FP1184
Figure 48 –
Venting Supports
2 ft.
Min.
2 ft. Min.
X
12
H*
Termination
Vent
Storm Collar
Flashing
Lowest
Discharge
Opening
Concentric
Vent Pipe
1" Minimum Clearance to
Combustibles
FP1971
Horizontal Overhang
Figure 49 –
Minimum Chimney Clearance
Roof Pitch
H (feet)
Flat to 6/12
1.0
Over 6/12 to 7/12
1.25
Over 7/12 to 8/12
1.5
Over 8/12 to 9/12
2.0
Over 9/12 to 10/12
2.5
Over 10/12 to 11/12
3.25
Over 11/12 to 12/12
4.0
*H – Minimum height from roof to
lowest discharge opening of vent
3 #5 Sheet Metal
Screws per Joint
Sealant
Storm Collar
TWL101a
Figure 50 –
Roof Flashing
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.
