What is the minimum pitch for ONDULINE sheets?

The minimum roof pitch to lay ONDULINE roofing sheets is 5 degrees / Gradient: 1 in 11 the sheets being laid with an End Lap of 300 mm. Sheets laid on a fully supporting decking on purlins to maximum of 610 mm centres.

Sheet Side Lap: 2 Corrugations.

Fixings: 20 per sheet.

Consult the Onduline Fixing Guide for full instructions.