Flow Rate Calculations

Should you require to size gutters and downpipes on your project our technical department can provide you with a flow rate calculation.

Drainage Calculations

Rainfall intensity, area of roof to be drained and pitch of the roof are the three main considerations in designing guttering systems; from those factors the optimum sizes of gutter, down pipes and fittings can be calculated. Building Regulations, Document H3, 2002 and BS 12056-3: 2000 are the authoritative documents on this subject.