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外墙腻子粉基层和基层界面需要处理哪些?

来源: 日期:2019-08-27 发布人:admin

外墙腻子粉的性能及品质,完全取决于腻子中所选用各种原材料的性能和品质,所用原材料性能稳定,品质好,产品的性能和品质就好,生产方面不会有太大问题出现,无论是人工混合、还是机械混合,只要将其混合均匀就可以保证外墙腻子粉产品质量。在工程的质量保障方面,百年达认为,主要就是重视基层和基层界面的处理。

The performance and quality of putty powder for exterior wall depends entirely on the performance and quality of various raw materials selected in putty. The raw materials used are stable in performance and good in quality. The performance and quality of products are good. There will be no major problems in production, whether manual or mechanical, as long as they are mixed evenly. To ensure the quality of putty powder for exterior wall. In terms of engineering quality assurance, Bainianda believes that the main thing is to pay attention to the treatment of grass-roots and grass-roots interfaces.
基层和基层界面的处理有以下几个内容:
The treatment of grass-roots and grass-roots interface has the following contents:
1. 基层的稳定性。施工前要对基层进行仔细检查和确认,检查基层的平整度、强度、基层吸水率,基层有无粉化、疏松、返碱等现象,有无明显裂纹、裂缝(可用往墙上浇水的方法来检查),基层是否已经稳定。如基层达不到外墙腻子粉的施工要求,应先做相应的技术处理,如基层符合外墙腻子的施工要求,便可以进行外墙腻子粉施工。
1. Stability of grass-roots units. Before construction, we should carefully check and confirm the grass-roots, check the smoothness, strength, water absorption of the grass-roots, whether the grass-roots is pulverized, loose, alkali return and other phenomena, whether there are obvious cracks, cracks (can be checked by watering the wall), whether the grass-roots is stable. If the base can not meet the construction requirements of putty powder for external wall, corresponding technical treatment should be done first. If the base meets the construction requirements of putty powder for external wall, putty powder for external wall can be constructed.
2. 基层的强度必须大于外墙腻子的强度。按材料的粘结理论与实践,如果墙基层的强度小于外墙腻子,外墙腻子容易出现“拔根”、空鼓、脱落现象。如基层强度大于外墙腻子粉的强度,则不会出现这些问题。
2. The strength of base must be greater than that of putty. According to the bonding theory and practice of materials, if the strength of the wall base is less than that of the external wall putty, the external wall putty is prone to "pull out", "empty drum" and "fall off". If the strength of the base is greater than that of the putty powder, these problems will not arise.
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3. 对界面的严格处理。先清除浮灰、油污(包括脱模剂),填刮基层的裂缝,剔出鼓包,如基层有明显不平的地方,先用抗裂砂浆找平。如基层已特别干燥、吸水性很强,环境气候也很干燥,就会影响到外墙腻子与基层的粘附力及强度,因此,建议施工前,可用水先浇湿墙基层后,再进行外墙腻子粉的施工,如果条件许可,施工后2-3天,可喷水养护1-2次,防裂效果和强度会更好。
3. Strict treatment of interface. Firstly, remove floating ash and oil (including release agent), fill and scrape cracks in the base, and remove bulges. If there are obvious unevenness in the base, first use anti-cracking mortar to leveling. If the base is especially dry, absorbable, and the environment and climate are dry, it will affect the adhesion and strength of the putty on the outer wall and the base. Therefore, it is suggested that before construction, water can be used to pour wet the base of the wall first, then to carry out the construction of putty powder on the outer wall. If conditions permit, 2-3 days after construction, water can be sprayed to maintain 1-2 times and prevent cracking. The effect and intensity will be better.

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