Special insulation with rock-wool fibres high density panels (Fiberceramic exempt) resistant to high temperatures (800 °C) and panels of calcium sulphate.
Internal finishing with MFC panels, resistant to acid and corrosive vapours.
Automatic door closure in case temperature exceeds 50°C.
90 minutes certified valves.
Lock with key and door blockage
Air extraction duct collar
3 cm thermo-expanding gasket, anti-sparking hinges