Fixed with an onduline seal smart head with uv stabilization.
Onduline roof sheet fixings.
Onduline is a world leader in manufacturing bituminous corrugated roofing materials.
Purlins fixed at maximum side lap.
Screws should be drilled at each corrugation at the end start.
Onduline roof support design roof pitch 15o and over 610mm gradient.
20 per sheet roof pitch.
Fixing 5 screws at each corrugation at the end overlap or eaves.
Recommended minimum fixings per sheet 20.
3 screws at first intermediate purlin of the sheet.
The onduline roof sheet fixings have beeb redesigned with an 18mm head for better aesthetics.
3 screws at third intermediate purlin of the sheet.
3 screws at second intermediate purlin of the sheet.
The fixings are a polished galvanised steel in 65mm.
Onduline easyline roofing sheets have a 10 year waterproofing guarantee providing they have been installed inline with onduline recommended installation guidelines and the correct onduline accessories ridge verge fixings have been used.
10o to 15o 450mm.
Start laying sheets over the gutter with 6 cm overhang maximum.
1 in 4 or less 2 end lap.
1 corrugation span of 610mm.
Lay sheets in the opposite direction to the prevailing winds.
Onduline building products ltd onduline offers reliable and durable roofing and waterproofing solutions to a wide range of buildings such as individual houses institutional commercial and industrial buildings.