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Scupper Roof Drain | 3" Diameter | 9" Long

Scupper Roof Drain | 3" Diameter | 9" Long

SRD-D3-L9

Scupper Roof Drain

Price: $30.00 USD

$30.00 USD
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  • Aluminum Unpainted

    Aluminum Unpainted

  • Plain Black STANDARD+$10

  • Plain White STANDARD+$10

  • Quartz Grey [Weatherwood] STANDARD RAL 7039+$10

  • Terra Brown STANDARD RAL 8028+$10

  • Pine Green STANDARD RAL 6028+$10

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Scupper Roof Drain – SRD-D3-L9

The AVP's SRD-D3-L9 Scupper Roof Drain provides a dedicated drainage path for flat and low-slope roofs with parapet walls. Designed to carry rainwater and melting snow through the parapet wall to an exterior drain pipe, it helps move water away from the roof and reduce pooling.

Constructed from .025" durable, rust-free aluminum, the scupper provides a lightweight, long-lasting solution for roof drainage. The 3" diameter drain pipe extends 9" beyond the scupper flashing, providing a defined path for water to exit the building.

Key Features:

  • Designed for flat and low-slope roofs
  • Allows water to pass through parapet walls
  • Helps prevent problems associated with pooling water
  • Designed to drain rainwater and melting snow
  • Durable, rust-free aluminum construction
  • .025" aluminum thickness
  • 3" diameter drain pipe
  • 9" long drain pipe
  • Designed for connection to a downspout / drain pipe

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Calculate number of Model  SRD-D3-L9  Vents Needed for a Given Area

Enter the Width and Length of the attic space you need to ventilate to calculate the area. You may also enter the area directly in the "Area" field. It is not necessary to hit the Return or Enter key (which will refresh this page), just enter numbers in the fields.

Enter width of space to calculate area (or enter Area below)
Enter width of space to calculate area (or enter Area below)

If you know it, you may enter the area directly here

The diameter size of all roof vents determines the Net Free Area, also known as the "NFA". NFA is the measured amount of opening each vent offers at each specific size. to be available for venting air through a specific vent size. The calculator below will find the overall number of vents needed to effectively ventilate the targeted attic space.

Once you have the area, the numbers shown below are the number of vents of that size which would ventilate the specified area with both 1/300 and 1/150 rule.

Results Appear Here





*Please note
The roof vent calculation values shown above are for the exhaust portion of the roof. The same amount of net free air inches is needed for air intake as well. Proper roof ventilation consists of 50% air exhaust and 50% air intake.


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