DVHVAC36 |
| |
| Max 8' |
|
| (2.4 m) |
|
| 45° | Typical Ceil- |
| 40' | ing Support |
| Application | |
| (12 m) |
|
| Max 8' |
|
| (2.4 m) |
|
| 45° |
|
|
| 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)
Attic Insulation |
Shield |
Joist |
|
| 11" |
|
Ceiling In- | 11" | Upper Floor |
|
|
| ||
stallation |
|
|
|
|
| Joist |
|
|
| Firestop Spacer | |
|
| Nails (4) | CFM100 |
|
|
| |
Fig. 32 Place firestop spacer(s) and secure.
3 #5 Sheet Metal
Screws per Joint
Sealant
Storm Collar
TWL101a
Fig. 33 Roof flashing.
Vent Termination
| 2' | Storm Collar |
| (610mm) | |
| Min. |
|
| Roof Support | Roof Flashing |
|
| |
40' | Attic Insulation |
|
Shield |
| |
(12.m) | Attic Insula- |
|
| tion |
|
| Joists |
|
|
| Joists |
FP1022
Fig. 34 Typical straight-up installation.
18 | 10001195 |