The external insulation materials are rock (mineral) cotton, glass wool felt, polystyrene foam board (referred to as polystyrene board, EPS, XPS), ceramsite concrete composite polyphenylene stone decorative insulation board, steel grid sandwich wall panel Wait. Among them, polystyrene board has been widely used in the external wall insulation plug-in technology all over the world because of its excellent physical properties and low cost. The plug-in technology uses a bonding mortar or a special fixing member to stick and hang the heat insulating material on the outer wall, and then wipes the crack resistant mortar, presses the glass fiber mesh cloth to form a protective layer, and finally adds a decorative surface.
Another method is to use a special fixing member to fix various insulation boards which are not easy to absorb water on the outer wall, and then suspend the aluminum board, natural stone, colored glass and the like on the pre-made keel to directly form the decorative surface. The external insulation of the office building of the Bank of China, designed by Mr. Pei Ming, is the design adopted. This type of external thermal insulation installation takes time, the construction is difficult, and the construction takes up the lead time, and the construction can only be carried out after the main experience is completed. When carrying out high-rise construction, the safety of construction workers is not easily guaranteed.
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