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外墙外保温系统的应符合哪些要求

来源:http://www.sdyingxu.com/news/41.html 发布时间:2017-04-11

1.防止发泡水泥保温板空裂。在施工中涂抹胶粉时,不注意细节,如发泡水泥保温板框周边未留出50mm宽的排气道,形成排水、排气不畅及胀缩应力造成内压剥离性空鼓。 一体化保温板
1 prevent foam cement insulation board air crack. Apply powder in the construction, attention to detail, such as the foamedcement frame surrounding leaves no exhaust duct 50mm wide, the formation of drainage, poor exhaust and contraction stress caused by internal pressure stripping hollowing.
2.一次涂抹面积过大或速度太快未压实而导致的空鼓,由于用力过猛造成发泡水泥保温板不平而又将发泡水泥保温板撬起造成的局部空鼓,未进行基层处理,如墙面上有灰尘,基层干燥吸水快等,应提前淋水湿润、冲洗基层,防止由于灰尘形成的干粉隔离层及由于基层干燥吸水太快造成的胶粉脱水产生发泡水泥保温板空裂。
2 a daub area is too large or too fast without compaction caused by hollowing, due to excessive force caused by the foam cement insulation board and foam cement insulation board will not pry the local Konggu caused, no base processing, such as dust on the wall, grass dry fast water absorption, water wet, should advance wash the grass, prevent the dry dust isolation layer formation and drying too fast due to the basic water caused by powder dehydration producing foaming cement insulation board crack.
3.对原材料的控制。由于现在市场上保温材料厂家很多,其产品质量也参差不齐。实践证明保温材料的质量也是造成外墙保温开裂的一重要因素。

A级防火保温材料
3 control of raw materials. Because now the market a lot of insulation material manufacturers, their product quality is uneven. Practice has proved that the quality of thermal insulation material is also an important factor in the external wall insulation cracking.
4.外保温的抗裂砂浆主要成分是纯丙稀酸树脂及硅砂,丙稀酸树脂在胶黏剂中起耐水、耐候的作用,含量的多少起着抗裂作用,硅砂起加强附着力的作用。
The 4 main components of external thermal insulation mortar is pure acrylic acid resin and acrylic resin sand, water and weather plays a role in the adhesive, the content of a crack, strengthen the adhesion of the silica sand.
5.要想从根本上控制开裂,要求供货商必须提供耐候性试验报告,只有这样才能从材料上进行控制。
5 in order to fundamentally control the cracking, the supplier must provide a weather proof test report, the only way to control the material.
5.现浇板混凝土模板内置保温体系,与保温板接触面设砂浆垫块,混凝土一次浇筑高度不宜大于1m,严禁正对发泡水泥保温板下料,振捣棒不得接触聚苯板。
5 cast-in-place concrete formwork built-in insulation system, insulation board and contact surface design of mortar cushion block, concrete pouring height not more than 1m, is prohibited foamed cement insulation board material, vibrator shall not contact the polystyrene board.

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