Insulated Sandwich Panel Roofing

Insulated sandwich acoustic panels of galvanized steel, model P5G 100 L AC "ACH", 100 mm thick, formed by exterior face of corrugated sheet with five corrugations, prelacquered finish, Granite Standard, RC3 and RUV2, according to UNE-EN 10169, 0.5 mm thick, insulating core of medium density rock wool 95 kg/m³ and interior face of ribbed sheet, prelacquered finish, Granite Standard, 0.5 mm thick, with 3 mm diameter perforations, thermal conductivity 0.35 W/(mK), Euroclass A2-s1, d0 fire reaction, according to UNE-EN 13501-1, with 35 dB global sound reduction index, Rw, providing a reduction of the global weighted sound pressure level of 34.7 dBA and medium absorption coefficient 0.85, according to UNE-EN ISO 354, placed with a 200 mm overlap of the upper panel and mechanically fixed on light metal grid, on sloping roof, with a slope greater than 10%. Including accessories for fixing the sandwich panels, butyl flexible tape, adhesive on both sides, for sealing the overlaps between sandwich panels and fast drying antioxidant paint, for protecting the overlaps between sandwich panels.