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90 x 90 mm
b/s/t PVC Emergency Overflow Drain R
SKU 135-090
Details
with straight or angled base plate
Material: PVC-U, high impact strength, UV-stabilised
factory-built dam level of 15 mm minimum
Membrane flange: PVC, EVA
Material: PVC-U, high impact strength, UV-stabilised
factory-built dam level of 15 mm minimum
Membrane flange: PVC, EVA
Rectangular Emergency Overflow /Parapet Drains
Flow Rate Q [l/s]
The pressure level [mm] of the water is important for the drainage capacity. The greater the pressure level, the greater the drainage capacity. In order to determine the pressure level, the maximum permissible water level on the roof must be known.