Onduline Roof Sheet Fixings

170mm coverage per sheet.

Onduline roof sheet fixings.

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. Lay sheets in the opposite direction to the prevailing winds. 10o to 15o 450mm. 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.

20 per sheet roof pitch. Fixing 5 screws at each corrugation at the end overlap or eaves. The first raw of fixings at eave is located at 2 5 cm from the edge of the roof support osb or purlin. Purlins fixed at maximum side lap.

The fixings are a polished galvanised steel in 65mm. Onduline is a world leader in manufacturing bituminous corrugated roofing materials. Recommended minimum fixings per sheet 20. Onduline roof support design roof pitch 15o and over 610mm gradient.

Fixed with an onduline seal smart head with uv stabilization. Start laying sheets over the gutter with 6 cm overhang maximum. 3 screws at third intermediate purlin of the sheet. 3 screws at first intermediate purlin of the sheet.

1 corrugation span of 610mm. 1 in 4 or less 2 end lap. The onduline roof sheet fixings have beeb redesigned with an 18mm head for better aesthetics.