Good foundation has a good face! This step must be done well before decoration!
Nov 22,2023
Each process in the repair is independent of each other, but linked together. When one of the processes has problems, it may cause a chain reaction and cause greater economic losses. So, what is the first process in the decoration? How can we achieve better decoration effect and reduce the risk of future repair?
In the decoration, the base surface is the cornerstone of all decoration processes. If the base surface is not handled properly, it will face many repair risks and even potential safety hazards.
The importance of a good base
1, can improve the construction efficiency, paint more easily, save labor, labor and materials;
2, can be firmly bonded with putty, facing layer, not easy to cause tile hollowing, falling off;
3. The waterproof layer is not easy to be pierced, and the waterproof layer of the base surface with impurities is easy to be pierced, which is easy to cause leakage.
base surface treatment
A qualified base surface should have the following characteristics: the base surface must be flat, strong, clean, no floating ash, no other loose animals
1, the dust and oil on the base should be cleaned up. If there are sharp objects or floating sand, you need to shovel it off with a shovel blade or scraper, or you can use a wire brush or a hard bamboo broom to clean up the floating sand on the surface.
2. If the base surface is loose, sand and powder are serious, it can be rubbed off by hand, mostly because the cement grade is insufficient or the proportion is too small. In this case, it is necessary to completely eradicate this loose layer of batting and leveling again.
3, if the surface of the grass-roots level is empty drum, cracks and other defects, it is necessary to remove the surface of the hollow drum and with 1:2.5 cement mortar repair level.
4. If there are traces of sand holes or plastering on the base surface, it can be covered with cement mortar, and then the wall surface can be polished with a grinder. If there is a nail head on the surface, the nail head should be rust-proof.
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