Pyromaster© H33BDVRRN/P
6.Place firestop(s) #7DVFS or Attic Insulation Shield #7DVAIS into position and secure. (Fig. 31)
7.Install roof support (Fig. 32) and roof flashing making 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 the 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.
Attic |
Insulation |
Shield |
Joist |
| 11" |
11" | Upper Floor |
Ceiling |
|
Installation | Joist |
Firestop Spacer
Nails (4)
CFM100
Fig. 31 Place firestop spacer(s) and secure.
If there is room above ceiling level, firestop spacer 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. 31)
The enlarged ends of the vent section always face downward. (Fig. 33)
Typical Roof
Support ApplicationTypcal Ceiling
Support Application
FP1184
Fig. 32 Typical support applications.
#5 Sheet Metal | #5 Sheet | |
Screws | Metal | |
(3 per joint) | Screws | |
Sealant | (3 per joint) | |
Sealant | ||
Storm | ||
Storm | ||
Collar | ||
Collar | ||
| ||
| TWL101a |
Fig. 33 Roof flashing.
Min.
2’ (610 mm)
CFM190
Fig. 34 Minimum termination to roof clearance.
10004798 | 17 |
