Quadra-Fire QV36A-FB Installing Roof Flashing and Vertical Ter- mination Cap, Roof Pitch Min. Ft

D.Installing Roof Flashing and Vertical Ter- mination Cap

For installation of vertical termination cap see minimum vent heights for various pitched roofs (see Figure 8.14).

Caulk the gap between the roof flashing and the outside diameter of the pipe. Also caulk the perimeter of flashing that contacts roof surface and the overlap seam of any exposed pipe sections that are located above the roof line as shown in Figure 8.16.

HORIZONTAL

OVERHANG

To attach the vertical termination cap, slide the inner col- lar of the cap into the inner flue of the pipe section and place the outer collar of the cap over the outer flue of the pipe section.

2FT.

MIN.

GAS DIRECT VENT

TERMINATION CAP

20 INCHES MIN.	VERTICAL
LOWEST	WALL
DISCHARGE
OPENING

X

12

ROOF PITCH

IS X/ 12

H (MIN.) - MINIMUM HEIGHT FROM ROOF TO LOWEST DISCHARGE OPENING

Secure with three screws into the outer flue. Secure the cap by driving the three self-tapping screws (supplied) through the pilot holes in the outer collar of the cap into the outer flue of the pipe (see Figure 8.15).

TERMINATION CAP

Roof Pitch	H (Min.) Ft.
Flat to 6/12	1.0*
Over 6/12 to 7/12	1.25*
Over 7/12 to 8/12	1.5*
Over 8/12 to 9/12	2.0*
Over 9/12 to 10/12	2.5
Over 10/12 to 11/12	3.25
Over 11/12 to 12/12	4.0
Over 12/12 to 14/12	5.0
Over 14/12 to 16/12	6.0
Over 16/12 to 18/12	7.0
Over 18/12 to 20/12	7.5
Over 20/12 to 21/12	8.0

* 3 foot minimum in snow regions

Figure 8.14 Minimum height from roof to lowest discharge opening

WARNING

Fire Risk.

Explosion Risk.

Inspect external vent cap regularly.

•Ensure no debris blocks cap.

•Combustible materials blocking cap may ignite.

•Restricted air flow affects burner operation.

NOTICE: Failure to properly caulk the roof flashing and pipe seams may permit entry of water.

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STORM

COLLAR

SCREWS

CAULK

Figure 8.15

CAULK

Figure 8.16

Quadra-Fire • Expression 36 (QV36A-FB) • 2062-900 Rev. S • 11/11 27