English to Italian Tech/Engineering Construction / Civil Engineering roofs

Taken from a fire resistance test report written by a non native speaker:
"The composition of the 172 mm thick rock wool sandwich panels XXXX (100 kg/m3) is fully described below and is the following:
• thickness of the panel is 172 mm and the height of trapeze ribs is 39.4 mm;
• upper coloured trapeze profiled sheet-steel facing, thickness 0.6 mm (unexposed side);
• polyurethane glue XXXX (application amount of 225 g/m2);
• rock wool lamella core XXXX Board Premium (nominal density 100 kg/m3);
• polyurethane glue XXXX (application amount of 225 g/m2);
• coloured lightly profiled sheet-steel facing, thickness 0.4 mm (exposed side)."
Later on, in the same test report:
"The roof is not symmetrical, the trapeze profiled sheet-steel facing is positioned on the unexposed side and the lightly profiled sheet-steel facing is positioned on the exposed side"