Large cold roof drain assembly flat grating threaded outlet BSP 6


Frost Roof drain assembly - cold roof medium-duty with clamp, fixed 240mm grating round, large cast-iron sump body with vertical outlet size 4' BSP. Rainwater outlets are suited to cold roof construction, where the waterproof membrane is located on top of the roof deck.

  • Body Material

    Cast Iron

  • Grating Material

    Ductile Iron

  • Outlet Type


  • Analytical Flow Rate based on 35mm head of water (L/s)


  • 3D CAD File


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