240 minutes fire rated Partition EN - DURASTEEL® + PROMATECT®-250
- Assembling a single layer of DURASTEEL® board, 9.5mm thick, and a single layer of PROMATECT®-250 board, 25mm thick, both screwed onto both sides of galvanized steel studs, with PROMATECT®-200 cover strips at horizontal joints, for a total system thickness of 129mm.