Onduline Roof Sheet Fixings

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.

Onduline roof sheet fixings.

Onduline roof support design roof pitch 15o and over 610mm gradient. Lay sheets in the opposite direction to the prevailing winds. Fixed with an onduline seal smart head with uv stabilization. Onduline is a world leader in manufacturing bituminous corrugated roofing materials.

170mm coverage per sheet. Purlins fixed at maximum side lap. 1 corrugation span of 610mm. 10o to 15o 450mm.

3 screws at first intermediate purlin of the sheet. The fixings are a polished galvanised steel in 65mm. Screws should be drilled at each corrugation at the end start. 1 in 4 or less 2 end lap.

The onduline roof sheet fixings have beeb redesigned with an 18mm head for better aesthetics. Up signs indicate the direction of the ridge to lay the sheets correctly. 20 per sheet roof pitch. Fixing 5 screws at each corrugation at the end overlap or eaves.

3 screws at second intermediate purlin of the sheet. Start laying sheets over the gutter with 6 cm overhang maximum. Recommended minimum fixings per sheet 20.