Our online tools have been designed with simplicity in mind removing the need for any prior specialist industry knowledge. The tools guide the user step by step allowing fast and simple roof drainage design whilst ensuring full compliance with BS EN12056-3 rainwater drainage design standard. Upon completion, a full set of rainwater drainage design calculations are provided confirming the suitability of products.
Gutter and Downpipe CalculatorCalculate Gutter and Downpipe requirements
Calculate flatroof requirementsCalculate flatroof requirements
Produce a product specification document based on a wide range of aluminium rainwater products and eaves solutionsLearn more