Heatilator • Novus NDV Series • 4055-187 Rev J • 08/09
44
Horizontal
overhang
12
X
20 in.
(508 mm)
Lowest
Discharge
Opening
Termination
Cap
Roof Pitch
is X / 12
Vertical
wall
H (min.) - Minimum height
from roof to lowest
discharge opening.
24 in. min.
(610 mm)
Roof Pitch
H (Min.) Ft.
Roof Pitch
H (Min.) Ft.
Flat to 6/12
1.0*
Over 11/12 to 12/12
4.0
Over 6/12 to 7/12
1.25*
Over 12/12 to 14/12
5.0
Over 7/12 to 8/12
1.5*
Over 14/12 to 16/12
6.0
Over 8/12 to 9/12
2.0*
Over 16/12 to 18/12
7.0
Over 9/12 to 10/12
2.5
Over 18/12 to 20/12
7.5
Over 10/12 to 11/12 3.25
Over 20/12 to 21/12
8.0
* 3 ft. minimum in snow regions
Storm Collar
Roof
Flashing
Figure 10.14 Minimum Height From Roof To Lowest Discharge
Opening
Caulk
Pipe
Flashing
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cause water entry.
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G. Install Metal Roof Flashing
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Figure 10.15
H. Assemble and Install Storm Collar
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Wear
protective gloves and safety glasses during installation.
Sheet metal edges are sharp.
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Figure 10.16 Assembling the Storm Collar
Figure 10.17 Assembling the Storm Collar Around the Pipe