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The structure of the extruded board is suitable for compressive performance that is susceptible to external influences. If the surface is properly treated, the tensile bond strength between the insulation and the polymer cement mortar may be higher, and the connection between the external insulation system and the structural wall is safer. The closed-cell foam chemical structure and its honeycomb physical structure are light and easy to use. It has the characteristics of high strength, easy cutting and transportation, not easy to damage and install, and another point is that the extruded board has strong compressive performance.

The extruded board is divided into multiple areas of operation and construction scope according to the size of the exterior wall and the size of the extruded board. Hang the vertical reference control line at the large corner of the exterior wall of the building, and pop up the horizontal control line on each floor to ensure the horizontality and verticality of the extruded board. Install the auxiliary formwork for the exterior wall, that is, the extruded board and the auxiliary external formwork together play the role of the side formwork of the floor slab. When pouring the floor slab concrete, the concrete is filled into the dovetail groove of the extruded board. After the auxiliary formwork is removed, the whole extruded board is integrated with the exterior wall.

The compressive performance of the extruded board: First of all, from the appearance, it is obvious that the bright texture is generally produced with high-quality raw materials. Then, through simple extrusion, observe whether the extruded board can return to its original shape after deformation. The higher the degree of recovery, the better the quality. Since there are many specifications and models of thermal insulation extruded polystyrene boards, before preparing for building insulation construction, it is necessary to know more about the characteristics of the building. Only according to the characteristic structure of the building, can the thickness of the corresponding thermal insulation material extruded board be selected.