F. Install Metal Roof Flashing

Note: Skip this section if using the RF4-8.

•See minimum vent heights for various pitched roofs (Figure 10.11) to determine the length of pipe to extend through the roof.

•Slide the roof flashing over the pipe sections extending through the roof as shown in Figure 10.12.

 

 

HORIZONTAL

 

 

OVERHANG

2 FT.

20 INCHES MIN.

VERTICAL

MIN.

 

 

WALL

 

LOWEST

 

 

 

DISCHARGE

 

 

OPENING

 

GAS DIRECT VENT

 

 

TERMINATION CAP

 

 

 

 

X

 

 

12

 

 

ROOF PITCH

 

 

IS X/ 12

 

H (MIN.) - MINIMUM HEIGHT FROM ROOF

 

TO LOWEST DISCHARGE OPENING

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 10.11 Minimum Height From Roof To Lowest Discharge

Opening

 

 

NOTICE: Failure to properly caulk the roof flashing could cause water entry.

•Caulk the gap between the roof flashing and the outside diameter of the pipe.

•Caulk the perimeter of the flashing where it contacts the roof surface. See Figure 10.12.

CAULK

Figure 10.12

G. Assemble and Install Storm Collar

CAUTION! Risk of Cuts, Abrasions or Flying Debris.

Wear protective gloves and safety glasses during instal- lation. Sheet metal edges are sharp.

•Connect both halves of the storm collar with two screws (see Figure 10.13).

•Wrap the storm collar around the exposed pipe section closest to the roof and align brackets. Insert a bolt (provided) through the brackets and tighten the nut to complete the storm collar assembly. Make sure the collar is tight against the pipe section.

•Slide the assembled storm collar down the pipe section until it rests on the roof flashing (see Figure 10.14).

•Caulk around the top of the storm collar (see Figure 10.20).

Figure 10.13 Assembling the Storm Collar

Figure 10.14 Assembling the Storm Collar Around the Pipe

40

Heat & Glo • SLR • 2143-900 Rev. D • 12/08

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Hearth and Home Technologies SLR (Cosmo) owner manual Install Metal Roof Flashing, Assemble and Install Storm Collar
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SLR (Cosmo) specifications

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