been out of trade for while now ,know plenty bout pilk k glass ,i take it its a insulated glass which has self clean non smear surface or something like that . wont be problem fitting glass long as its same thickness units as poly carb. toughened ,and insulated pane to inside of conservatory .will need blocks on ends of rafters to stop slippage and get overhaul weight of units to check wether roof can support its weight plus snow loading.
marti, July 2009