... foam board, one of the most economical insulation material can be widely used in roof,wall,floor etc Features Specifications: EPS foam boardprovides high ... free recycled material, does not reveal any pollution it has high steam impermeabilityDensity: 10,12,14,16,18,20,22,24 ... ,28,30...Minimum order:40GPDelivery: half month after deposit EPS foam board