Calculating roof max width coverage roof sheets are 500mm wide with polycarbonate sheets add 70mm with PVC sheets add 52mm for example a 3.5m roof uses 7 panels
With poycarbonate 7 x 500mm + 70mm = 3570mm
With PVC 7 x 500mm + 52mm = 3552mm
Prices shown are for roofs with PVC sheets to upgrade your roof to a polycarbonate sheet please use the drop down boxes.
Firrings can only be used with a roof pitch of 2.5 degrees at 2.5 degrees your roof will rise 44mm per metre projection.
Roof packs come with 60mm thick sheets in either PVC or polycarbonate