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Calculation tool for drainage capacity of emergency overflow and parapet drains

Use b/s/t's calculation tool, which we've developed exclusively for our customers, to ascertain the correct dimensions for your flat roof accessories quickly and accurately. Calculating emergency overflow systems correctly is fundamental for the durability and safety of your flat roof solutions. Our tool is based on the latest DIN standards and pools together knowledge from b/s/t's technology department.

Round Emergency Overflow Drains / Parapet Drains

Rectangular Emergency Overflow /Parapet Drains