1.fireproofing,heat perservation and sound insolation 2.long life,light weight 3.freedom choice for the thinkness 50-200mm eatures ... ,heat insulation,weight bearing,weatherproof,rich color and good appearance) Light self-weight 10 to 20kg/sqm Width 750mm,760mm,820mm ... 0.18mm-0.80mm Length as your request product performanced light and durable,easy to install, large usageEPS sandwich panel production ...