Our Rainfall Calculator has been designed in accordance with BS EN 12056:3:2000 and will enable you to correctly size gutters and downpipes for your project.

The calculators built in features demonstrate:

  • Specific rainfall data by location
  • Individual roof sizes and design
  • Gutter profile and downpipe size
  • Outlet position and leaf traps.

To download the free rainfall calculator, please complete the form below.


Rainfall Calculator Request

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