The NZ Metal Roof and Wall Cladding Code of Practice is a comprehensive design & installation guide, and a recognised related document for Acceptable Solution E2/AS1 of the NZ Building Code.
Roofing products perform best when handled correctly.
Don’t handle any roofing products roughly or carelessly.
Don’t drag or slide new sheets over other sheets or rough surfaces.
All equipment and materials taken on to the roof should be clean and care taken to prevent damaging the surface.