Nissen hut with fitted dormer windows - which are of GFR laminate or polyethylene and have sealing flanges

摘要

Nissen hut-type buildings are claimed into whose component corrugated sheets plastics, moulded dormer windows with sealing flanges all round are fitted. The plastic is suitably a GFR laminate or low pressure polyethylene. The sealing flanges may be corrugated, its lateral portion doubling as rain gutter.