Vertical Thru the Roof Installation

		MAX. 8 Ft.
		(2438mm)
		MAX.
	MAX. 8 Ft.	40 FEET
	MAX. 8 Ft.	(12.2m)
	(2438mm)	(12.2m)
	(2438mm)	MIN.
		MIN.
		8 FEET
		(2.44m)
	SIDE VIEW
		Fig. 29

TYPICAL 7DVCS

APPLICATION

Fig. 30

TYPICAL ROOF

SUPPORT

APPLICATION

Fig. 31

1.Locate your fireplace.

2.Plumb to centre of the (4") 90º transition elbow (7DVRT90) from ceiling above and mark position.

3.Cut opening equal to 9-3/8" x 9-3/8" (240 mm x 240 mm).

4.Proceed to plumb for additional openings through the roof. In all cases, the opening must provide a minimum of 1 inch clearance to the vent pipe, i.e., the hole must be a minimum of 9-3/8" x 9-3/8" (240 mm x 240 mm).

5.Place firestop(s) 7DVFS into position and secure. (Fig. 33)

6.Install roof support (Fig. 31) and roof flashing making sure upper flange of flashing is below the shingles. (Fig. 34)

7.Install appropriate pipe sections until above the flash- ing. (See Fig. 34 for #'s 7, 8 and 9).

8.Install storm collar and seal around the pipe. (Fig. 34)

9.Add additional vent lengths for proper height. (Fig. 34)

10.Apply high temperature sealant to 4" and 7" collars of vent termination and install.

VENT TERMINATION

		STORM COLLAR
ROOF	24" Min.	ROOF FLASHING
ROOF	24" Min.
	(610mm)
		ROOF SUPPORT
ATTIC INSULATION
MAX.		CEILING JOISTS
40 FEET	JOISTS	CEILING JOISTS
40 FEET
(12.2m)
(12.2m)
MIN.
8 FEET
(2.44m)	ATTIC INSULATION
	SHIELD

TYPICAL STRAIGHT-UP INSTALLATION

Fig. 32

Clearance above a roof shall extend a mini- mum of 24" (610mm) above the highest point when it passes through the roof surface, and any other obstruciton within a horizontal distance of 18" (450mm).

- 16 -

Attic
Insulation
Shield	11"
		JOIST
Ceiling	11"	UPPER FLOOR
Installation		UPPER FLOOR
Installation
		JOIST

FIRESTOP

SPACER

NAILS (4)

Fig. 33

Fig. 33. If there is a 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. 34. The enlarged ends of the vent section always face downward.

SHEETMETAL SCREWS (#5) —

3 PER JOINT

SEALANT

STORM

COLLAR

Fig. 34

DVRSL, DVRSR, DVRS3 specifications

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