Onduline Roof Sheet Fixings

Screws should be drilled at each corrugation at the end start. Lay sheets in the opposite direction to the prevailing winds. The first raw of fixings at eave is located at 2 5 cm from the edge of the roof support osb or purlin.

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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 roof sheet fixings.

Start laying sheets over the gutter with 6 cm overhang maximum. 20 per sheet roof pitch. Up signs indicate the direction of the ridge to lay the sheets correctly. Fixing 5 screws at each corrugation at the end overlap or eaves.

The onduline roof sheet fixings have beeb redesigned with an 18mm head for better aesthetics. 170mm coverage per sheet. 3 screws at third intermediate purlin of the sheet. Onduline is a world leader in manufacturing bituminous corrugated roofing materials.

1 corrugation span of 610mm. 10o to 15o 450mm. 1 in 4 or less 2 end lap. 3 screws at second intermediate purlin of the sheet.

Recommended minimum fixings per sheet 20. Purlins fixed at maximum side lap. Onduline roof support design roof pitch 15o and over 610mm gradient. The fixings are a polished galvanised steel in 65mm.

3 screws at first intermediate purlin of the sheet. Fixed with an onduline seal smart head with uv stabilization. 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.