Onduline Roof Sheet Fixings

Up signs indicate the direction of the ridge to lay the sheets correctly. Onduline roof support design roof pitch 15o and over 610mm gradient. 1 corrugation span of 610mm.

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1 in 4 or less 2 end lap.

Onduline roof sheet fixings.

Fixed with an onduline seal smart head with uv stabilization. Purlins fixed at maximum side lap. Screws should be drilled at each corrugation at the end start. 170mm coverage per sheet.

20 per sheet roof pitch. The fixings are a polished galvanised steel in 65mm. Lay sheets in the opposite direction to the prevailing winds. 3 screws at first intermediate purlin of the sheet.

3 screws at third intermediate purlin of the sheet. 3 screws at second intermediate purlin of the sheet. The onduline roof sheet fixings have beeb redesigned with an 18mm head for better aesthetics. Start laying sheets over the gutter with 6 cm overhang maximum.

The first raw of fixings at eave is located at 2 5 cm from the edge of the roof support osb or purlin. Onduline is a world leader in manufacturing bituminous corrugated roofing materials. 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.

Recommended minimum fixings per sheet 20. 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. Fixing 5 screws at each corrugation at the end overlap or eaves.