Rainwater calculations request form

You can use this form to request a rainwater calculation from Fixfast, which will provide you with a drainage scheme in accordance with the UK design standard BS EN 12056:3-2000.

Just so you know, we only provide calculations for flat roofing outlets.

Please note: Our online request form is temporarily unavailable. To request a calculation, you can complete the PDF form attached here and submit to us using this email address tech@fixfast.com.