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.
Analytical Flow Rate based on 35mm head of water (L/s)
3D CAD File
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