Foam board that traditional products have been used for decades is certainly not a green that is not the case, EPP foam board has the advantages in the aspects of Environmental Protection approved before is a kind of green insulation materials, gas EPP foam board never contain ozone depleting. The original production processes will be re organized the thermal insulation material in the production of new, and the effects of these materials have short time tracking record. Green building in a burst of applause, some of the company's products "green" characters speak in superlatives. The past several years, and has published several USA Canada green building guidelines, most of which is environment determination theory of things, EPP provides the introduction of direct from the manufacturer product introduction in the market terms. Some only on the basis of a single criterion, green characteristics such as use recyclable content to assess product, so it is one sidedness. Shall make a comprehensive evaluation on product contribution to building effects and sustainability goals.