Onduline Roof Sheet Fixings

Recommended minimum fixings per sheet 20. The first raw of fixings at eave is located at 2 5 cm from the edge of the roof support osb or purlin. The onduline roof sheet fixings have beeb redesigned with an 18mm head for better aesthetics.

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3 screws at first intermediate purlin of the sheet.

Onduline roof sheet fixings.

Onduline is a world leader in manufacturing bituminous corrugated roofing materials. 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. 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.

3 screws at third intermediate purlin of the sheet. Start laying sheets over the gutter with 6 cm overhang maximum. 1 corrugation span of 610mm. 20 per sheet roof pitch.

3 screws at second intermediate purlin of the sheet. 10o to 15o 450mm. Fixing 5 screws at each corrugation at the end overlap or eaves. Up signs indicate the direction of the ridge to lay the sheets correctly.

Lay sheets in the opposite direction to the prevailing winds. 1 in 4 or less 2 end lap. 170mm coverage per sheet. Screws should be drilled at each corrugation at the end start.

Purlins fixed at maximum side lap. Fixed with an onduline seal smart head with uv stabilization. Onduline roof support design roof pitch 15o and over 610mm gradient.