Code of Practice v3.0 Online
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.
Flat sheets of translucent material can also be used side by side to form a continuous roof light, wall lighting, or conservatory. Materials may be single or multi skinned glass, polycarbonate or acrylic.
These are almost exclusively proprietary systems so design advice should be sought from the distributor/manufacturer.