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DVHVAC36
10001195
FP1021
Typical vertical
through the roof
application
3/26/00 djt
Max 8'
(2.4 m)
45°
45°
Max 8'
(2.4 m)
40'
(12 m)
Typical Ceil-
ing Support
Application
Typcal Roof
Support Ap
-
plication
Fig. 31 Typical vertical roof application.
5. Place fireplace into position.
6. Place firestop(s) #7DVFS or attic insulation shield
#7DVAIS into position and secure. (Fig. 32)
7. Install roof support (Fig. 33) and roof flashing, mak
-
ing sure upper flange is below the shingles. (Fig. 33)
8. Install appropriate pipe sections until the venting is
above the flashing. (Fig. 33)
9. Install storm collar and seal around pipe.
10. Add additional vent lengths for proper height. (Fig.
34)
11. Apply high temperature sealant to 4" and 7" collars
of vertical vent termination and install.
If there is a room above ceiling level,
firestop spacers must be installed on both
the bottom and the top side of the ceiling
joists. If an attic is above ceiling level a
7DVAIS (Attic Insulation Shield) must be
installed. (Fig. 32)
The enlarged ends of the vent section al-
ways face downward. (Fig. 33)
TWL101a
Twist Lock Pipe
2/8/99 djt
3 #5 Sheet Metal
Screws per Joint
Sealant
Storm Collar
TWL101a
Fig. 33 Roof flashing.
CFM100
Firestop-Vertical
09/20/00
11"
11"
Attic Insulation
Shield
Joist
Ceiling In-
stallation
Joist
Firestop Spacer
Upper Floor
Nails (4)
CFM100
Fig. 32 Place firestop spacer(s) and secure.
FP1022
Typical Straight Up Installation
1/26/00 djt
40'
(12.m)
2'
(610mm)
Min.
Storm Collar
Vent Termination
Roof Flashing
Roof Support
Joists
Attic Insulation
Shield
Attic Insula-
tion
Joists
FP1022
Fig. 34 Typical straight-up installation.