Onduline Roof Sheet Fixings

3 screws at second intermediate purlin of the sheet. The first raw of fixings at eave is located at 2 5 cm from the edge of the roof support osb or purlin. Fixed with an onduline seal smart head with uv stabilization.

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Start laying sheets over the gutter with 6 cm overhang maximum.

Onduline roof sheet fixings.

1 in 4 or less 2 end lap. 10o to 15o 450mm. 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.

170mm coverage per sheet. Purlins fixed at maximum side lap. Onduline roof support design roof pitch 15o and over 610mm gradient. 3 screws at first intermediate purlin of the sheet.

Onduline is a world leader in manufacturing bituminous corrugated roofing materials. 20 per sheet roof pitch. The fixings are a polished galvanised steel in 65mm. Fixing 5 screws at each corrugation at the end overlap or eaves.

3 screws at third intermediate purlin of the sheet. 1 corrugation span of 610mm. Lay sheets in the opposite direction to the prevailing winds. 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.

Screws should be drilled at each corrugation at the end start. Recommended minimum fixings per sheet 20. Up signs indicate the direction of the ridge to lay the sheets correctly.