Vermont Casting IRFSDV24, IRFSDV34 To Install Vertical Venting, Irving Oil

installations. From 0 to a maximum of 8’ of vent pipe can be used between elbows (Fig. 25).

•7DVCS must be used to support offsets (Fig.

26). This application will require that you first determine the roof pitch and use the appropriate starter kit. (See Venting Components List)

Irving Oil

TO INSTALL VERTICAL VENTING

1.	Locate your fireplace.
2.	Plumb to center of the (4”) flue collar 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

MAX.

8 FEET

2.44m

45¡

40'(12m)

MAX.

8 FEET

2.44m

45¡

TYPICAL 7DVCS

APPLICATION

TYPICAL ROOF

SUPPORT

APPLICATION

	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 at least 9-3/8” x 9-3/8” (240 mm x
	240 mm).
5.	Place fireplace into position.
6.	Place firestop(s) #7DVFS or Attic Insulation Shield
	#7DVAIS into position and secure (Fig. 29).
7.	Install roof support (Fig. 27) and roof flashing,
	making sure upper flange of flashing is below the
	shingles (Fig. 30).
8.	Install appropriate pipe sections until above the
	flashing (Fig. 30).
9.	Install storm collar and seal around the pipe.
10.	Add additional vent lengths for proper height (Fig. 28).
11.	Apply high temperature sealant to 4” and 7” collars
	of vertical vent termination and install.

Attic
Insulation
Shield	11"
	JOIST

TYPICAL OFFSET INSTALLATION Fig. 27

VENT TERMINATION

ROOF	2' Min.
ATTIC INSULATION
	JOISTS
40 FEET	ATTIC INSULATION
(12.2m)	SHIELD

STORM COLLAR

ROOF FLASHING

ROOF SUPPORT

CEILING JIOSTS

Ceiling	11"	UPPER FLOOR
Installation
		JOIST

FIRESTOP

SPACER

NAILS (4) Fig. 29

Fig. 29 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.

The enlarged ends of the vent section always face downward (Fig. 30).

Fig. 28

TYPICAL STRAIGHT-UP INSTALLATION

The minimum height of the vent above the highest point of penetration through the roof is 2 feet (Fig. 28).

SHEETMETAL
SCREWS (#5) Ñ	SHEETMETAL
3 PER JOINT
	SCREWS (#5) Ñ
SEALANT
	3 PER JOINT
STORM	SEALANT
COLLAR	STORM

COLLAR

Fig. 30

10004000 15