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近年来,有不少采用面层刮大白的施工方法,效果良好。所谓大白面层,就是在中层抹灰之后,用刮大白的方法代替了面层抹灰。这种方法优点是:①大白浆是刮在找平层上的,基层较为粗糙,又是分遍成活,粘结牢固,避免了过去因面层较光、腻子较厚或刷浆遍数较多而出现的饰面裂纹、卷曲起皮等质量通病;②因大白面层的外观质量和饰面白度都较好,而且吸水均匀,只需刷两遍稀浆即可,比普通刷浆约少用涂料50％以上,由于涂料较稀,一般
In recent years, there are many construction methods that use the surface layer to scrape white and have a good effect. The so-called white surface layer, after the middle layer of plaster, replaced the surface plaster with a method of scraping white. The advantages of this method are as follows: 1 Large white pulp is scratched on the screeding layer, the base layer is rough, and it is divided and survived, and the bonding is firm, avoiding the past due to the fact that the surface layer is lighter, the putty is thicker, or the number of brushing passes is more. The appearance of cracks, curly skin and other quality problems; 2 due to the appearance of white surface quality and finish whiteness are better, and water absorption is uniform, just two times the slurry can be brush, about less than the ordinary brush With paint more than 50%, due to thinner paint, generally