How to choose between siphonic drainage and gravity drainage?
PlumbingUpdated 2026-04-27
Siphonic rainwater systems are suitable for high end buildings with large roof areas and high drainage volumes; they use small pipe diameters and require minimal buried piping, bu…
How to choose between siphonic drainage and gravity drainage?
Siphonic rainwater systems are suitable for high-end buildings with large roof areas and high drainage volumes; they use small pipe diameters and require minimal buried piping, but need specialized design. Gravity rainwater systems are simple and reliable, with low maintenance costs. For five-star hotels, siphonic systems are recommended.
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