DOOR CLASS C APPROPRATION The door class C is designed for closing of passages in internal accomodations (as a passage from cabin or corridor to the sanitary unit) which pught to have fire protection class C on all floating objects . This door which can be opened to the outside of sanitary unit is suitable for mounting in 25 mm thickness metal or non – metal walls . EXECUTION The door – frame is made of 1,5 mm cold rolled steel profile which is welded to form of frame . Mounting frame is also manufactured of 1,5 mm steel sheet and suitable for 25 mm board walls . The door – will is protected...