Onduline Roof Sheet Fixings

Purlins fixed at maximum side lap. 1 in 4 or less 2 end lap. Up signs indicate the direction of the ridge to lay the sheets correctly.

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20 per sheet roof pitch.

Onduline roof sheet fixings.

The onduline roof sheet fixings have beeb redesigned with an 18mm head for better aesthetics. 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. 10o to 15o 450mm. 170mm coverage per sheet.

Recommended minimum fixings per sheet 20. Fixing 5 screws at each corrugation at the end overlap or eaves. Fixed with an onduline seal smart head with uv stabilization. 3 screws at second intermediate purlin of the sheet.

Screws should be drilled at each corrugation at the end start. 1 corrugation span of 610mm. 3 screws at third intermediate purlin of the sheet. 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 first intermediate purlin of the sheet. Onduline roof support design roof pitch 15o and over 610mm gradient. Start laying sheets over the gutter with 6 cm overhang maximum. Lay sheets in the opposite direction to the prevailing winds.

The fixings are a polished galvanised steel in 65mm. 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.