... polyurethane foam sandwich panels 1, Excellent price and quality 2, Light weight 3, Easy installation 4, ISO90 sandwich panelProduct DescriptionHeat Insulation ... colorOcean blue, tephrosiouslifetime15~20 yearsCharacterLight in weight, heat insulation, water resistant, green and environmentalUsevarious roofs and walls ... 21-37695695Mobile Phones:: +8613916952223 Frp and polyurethane foam sandwich panels