ONDULINE Sheets Installation

Start fixing sheets at the opposite to prevailing winds end of the roof.
Begin every second raw with a sheet cut in half vertically.
Fix 19 nails or screws per sheet to have a longlasting and guaranteed roof. Nail or screw every corrugation on eaves, overlaps and ridges.

Installation varies according to roof pitch. 

• Roof pitch > 15° (over 27%)
  • Maximum purlin distance: 61 cm
  • Overhang at eaves: 7 cm  
  • Minimum end overlap: 17 cm
  • Minimum side overlap: 1 corrugation

• Roof pitch 10-15° (17-27%)
  • Maximum purlin distance: 45 cm
  • Overhang at eaves: 7 cm  
  • Minimum end overlap: 20 cm
  • Minimum side overlap: 1 corrugation

• Roof pitch 5-10° (9-17%)
  • installation on full deck or close batten
  • Overhang at eaves: 7 cm  
  • Minimum end overlap: 30 cm
  • Minimum side overlap: 2 corrugations

Please have a look at the installation brochure to know all the details.