Onduline Roof Sheet Fixings

20 per sheet roof pitch. 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.

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Fixed with an onduline seal smart head with uv stabilization.

Onduline roof sheet fixings.

The first raw of fixings at eave is located at 2 5 cm from the edge of the roof support osb or purlin. Start laying sheets over the gutter with 6 cm overhang maximum. Screws should be drilled at each corrugation at the end start. 3 screws at second intermediate purlin of the sheet.

170mm coverage per sheet. 1 corrugation span of 610mm. 3 screws at third intermediate purlin of the sheet. 1 in 4 or less 2 end lap.

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

3 screws at first intermediate purlin of the sheet. Lay sheets in the opposite direction to the prevailing winds. Recommended minimum fixings per sheet 20. Purlins fixed at maximum side lap.

Up signs indicate the direction of the ridge to lay the sheets correctly. The onduline roof sheet fixings have beeb redesigned with an 18mm head for better aesthetics. Onduline roof support design roof pitch 15o and over 610mm gradient.