PU sandwich panel Thickness(mm): 40.00~150.00 Width(mm): 950.00~990.00 PU sandwich panelThickness(mm): 40.00~150 ... rock wool or fiberglassThe material of cover: corrugated steel sheets, with kinds of colorsThe specification as below: Roof panel950mm (w) ... , manufacturer, exporter of color steel sandwich panels,Producing and installing EPS, rock wool, PU sandwich panel, 3million m2/year. Our information ...