3) in the hole and turning bag mesh extruded parts of the front and side panels are coated polymer mortar (only extruded sheet end here wiping edge polymer mortar). The previously thrown flip mesh plate thickness, xps extrusion board, and pressed into the polymer mortar, Jining xps extruded sheet, 4), the use of high performance XPS board Anshan xps extruded sheet, general xps board a useful life of 60 to 80 years, much higher than the EPS board 5), XPS board in our country after 10 years of development, has been a lot of attention and promotion. And the formation of a national xps insulation system standards. Polyurethane insulation board advantages: high thermal conductivity due to the polyurethane insulation blowing agent is much lower than that of air (good insulation properties), so the insulation performance of rigid polyurethane foam is superior to those materials containing only air, such as: mineral wool, glass fiber and polystyrene.