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The decoration of external wall insulation materials requires sealing treatment of drainage channels, through wall pipes, and other parts. In the newly designed external wall insulation system, waterproof ditches or drainage channels should be made. The drainage ditches are made by using a trowel to batch adhesive mortar strips; The drainage channel is a groove made by processing insulation board. When constructing anti cracking polymer cement mortar on the insulation board, first evenly apply a layer of anti cracking mortar with an area slightly larger than a piece of fiberglass cloth, and then press in a layer of fiberglass cloth. Smooth the glass fiber cloth from the middle to the surrounding area with a spatula, and embed it into the crack resistant mortar.

The decoration of exterior wall insulation materials is designed according to the structural characteristics and construction steps of the product, and combined with practical needs and functionality, making the product design have the insulation performance of multiple materials. At the same time, functional designs such as exhaust and drainage have been added during product construction. Under the same material, the lower the density of the insulation material, the better the insulation effect. In addition, lightweight materials will not increase the additional burden on the building envelope structure, minimizing production energy consumption and pollutant emissions. Developing green and environmentally friendly materials mainly made of plant fibers.

Recycled materials must not be used for the decoration of external wall insulation materials. If recycled materials are used, the beauty and cohesiveness of the entire foam board will be affected. Secondly, the pressure of the board forming stage must be higher than 8 atmospheres, if the steam pressure is lower than this number.

The structure of Shandong exterior wall insulation material decoration is stable. During the pressing process, due to vertical and horizontal bonding, high temperature and high pressure, the Shandong insulation board has a stable structure, does not deform, and has a strong texture, solving the problem of solid wood panels being easily deformed by dry and wet weather. Local reinforcement mesh measures should be taken in areas where cracks are prone to occur on the wall; Secondly, the protective layer of Shandong insulation board should be divided into blocks and sealed with waterproofing treatment to reduce shrinkage and temperature stress, which can effectively avoid cracks in the insulation board.