Insulation can also be easily incorporated too providing ventilation is provided below the onduline sheet design advice should be sought from the manufacturer of the insulation products in this case.
Fitting onduline roof sheets.
Thanks to their reduced weight 4 kg m and their great mechanical flexibility onduline hr sheets can be installed on an extremely diverse range of lightweight roof structures.
Onduline hr sheets only require a very simple toolkit to install.
5 screws at each corrugation at the end overlap or eaves.
A simple and flexible roofing system.
14 screws should be drilled per sheet.
Up signs indicate the direction of the ridge to lay the sheets correctly.
This is particularly importantant on buildings with high humidity levels.
The roofing sheets are composed of a single layer of organic fibres melded with bitumen through an intensive pressure and heat process giving the final product a highly durable finish.
Start laying sheets over the gutter with 6 cm overhang maximum.
Lay sheets in the opposite direction to the prevailing winds.
Onduline roofing is often the first material of choice by enthusiasts and professionals due to its weatherproof qualities a properly fitted sheet is expected to last for fifteen years.
Covering of roofs can be hazardous.
3 screws at first intermediate purlin of the sheet.
Minimum recommended roof pitches for onduline roofing sheets are 15.