For washing sheets it is recommended warm water with a soft rag or a sponge and you should use only weak soap solution. It is not recommended to use rubber spattles. It is necessary to exclude synthetic surface-active substances, solvents and other aggressive things for cleaning.
You shouldn’t use scrapers, edges or other similar sharp subjectsduring cleaning of the surface of the panels.
Contact of a material with rust isn't recommended. If ferrous metal for carcase is used it is necessary to clean, to paint it beforehand and to cover places of contact with polycarbonate with an isolating rubber tape.
Detailed installation instruction.