Marathon Roofing Products Inc.
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Roof Drains, Vents, Accessories And Pedestal Supports
Marathon Roofing Products Inc. > PRODUCT > RD-250 One Piece Combo Overlow
RD-250 One Piece Combo Overlow

RD-250 cast iron combination roof drain/overflow with deck flange, drain body, flashing clamp with integral gravel guard, overflow standpipe with membrane clamp, self locking cast iron dome, and no hub outlets.


  • Deck flange, flashing clamp, and overflow standpipe with membrane clamp ensure reliable drainage
  • Drain body and self-locking cast iron dome are built to last
  • Engineered with cast iron for long life and durability
  • No hub outlet for easy installation


  • Vandal proof strainer
  • Available in 2", 3" and 4"
Rated 5 based on 1 product reviews

CAD Detail Files for RD-250 One Piece Combo Overlow

RD-One Piece Combo Overflow
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Specifications for RD-250 One Piece Combo Overlow

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