CLOSED STEEL PROFILES

Supply and installation of protection for closed steel profiles with fire resistance R 15/30/60/90/120/180/240, in reaction-to-fire class A1, made with lightweight plaster F62 SUPER SPRAY, pre-mixed, based on gypsum and special binders, with a powder density of 350 kg/m³, spray-applied. The plaster is fibre-free.

The thickness of the protection will be determined according to the section factor of the structures and the critical temperature required by the load conditions, on the basis of experimental tests carried out in accordance with standard EN 13381-4. For application procedures, see the specific “installation manual”.