Fireproof rock wool  insulated  wall and roof  sandwich panels or sandwich boards for houseIntroduction of rock wool panels:Rockwool sandwich panel or also called rockwool insulated panels and its manufacturing process is one the most advanced inventions, which in the factory automation equipment, rock wool and steel into a whole, thus changing the way of the rock wool plate before the compound required site , under the premise that meet the requirements of the building thermal insulation, sound insulation, fire protection, to achieve a high quality, efficient, reliable, safe target. The products in Europe through a wide range of applications, sophisticated.The up & down surface of this rockwool panel is Galvanized & Pre-painted steel sheets, core material is 5 components rockwool glue, it is formed by heating, foaming & laminating. Rockwool is the best material for temperature keeping and sound insulation. It is widely used as the wall or roof for cold storage, industrial workshop, public building etc.Applications of rock wool sandwich boards:The sandwich panels can be used in large industrial plants,warehouses,supermarkets, hospitals, stadiums, cold storage, activities room, buildings plus layer, clean workshop and heat insulation fire place.  Commercial housings in the cities, such as exhibition halls, shopping centers, offices and other housings for exhibition and sports.The temporary facilities in the construction site, such as office, warehouse.Product Description of Sandwich panel: Width: 950mm or 1150mm Length: Customized but no more than 11.8meter usually. Up color steel board thickness: 0.3mm to 0.6mm Low color steel board thickness: 0.3mm to 0.6mm Total thickness: 50mm to 150mm, Coated materials: Zinc or aluminum alloy, 30-120G/M2 Fillings: EPS, PU, fiber glass or rock wool Steel: Q235Our service:(1)One professional sales team will offer you full set service,no matter before or after-sales;(2)One rich experienced engineer and design team can offer you professional advice for both connection technology and building designs;(3)We are manufacturer,and surely can offer you competitive price for you projects.