Roof Drain and Overflow Drain
Roof Drain and Overflow DrainRoof Drain and Overflow Drain

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Roof Drain and Overflow Drain

Figure Number:  1850

Regularly Furnished:
Duco Cast Iron Body, Double Deck Plate with Securing Holes, Combined Flashing Clamp and Gravel Stop for Roof Drain and External Water Dam for Overflow Drain, both with Polyethylene Dome.
Related Figure Numbers
  • 1850C - Caulk Outlet
  • 1850Y - No-Hub Outlet
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NameDescriptionFile Size
Specifications US Govt ComplianceItems complying with U.S. government specifications34 KBDownload

Optional Materials

  • Aluminum Dome -AD
  • Cast Iron Dome -CID
  • Galvanized Cast Iron Dome -CIDG
  • Galvanized Cast Iron -G - Body & Collar
  • Rough Bronze Dome -RBD


  • Vandal Proof - Dome - U
  • Underdeck Clamp for 10" Deck Opening -C10
  • Extension -E - (Specify Height)
  • T Threaded Outlet
  • LXH Speedi-Set® Extra Heavy
  • Secondary Flashing Clamp -C2
  • Expansion Joint (Specify Fig.1710)