Before making the floor paint, the requirements for the foundation floor are very important. The following are the basic requirements for the foundation ground:
Cement concrete foundation: the strength needs to reach C25 or above, to ensure that the ground is firm and solid, and there will be no shelling, delamination and cracking, collapse, damage, aging and other phenomena. When pouring concrete, it should be ensured that the cement and concrete are poured in one piece to avoid problems such as cement bulging and shelling.
Ground curing: After the concrete foundation is poured, it needs to be cured naturally for 28 days. For the first floor and basement floor, waterproofing should be done in advance.
Surface treatment: The ground foundation should not have residues such as oil, wax, other paints, latex paints, etc. If so, it should be cleaned and sanded with a special solution.
Moisture content: The moisture content of the foundation surface should be less than 8% to ensure that there is no cement pulverization, no loosening, no oil stain, and the pH value is neutral.
Surface state: The foundation surface should be sand-free, with high hardness and no chalking. If there is a pulverized and hollowed ground, it needs to be removed and filled with resin mortar.
The above are the basic requirements for the foundation ground before making floor paint, and ensuring that the foundation ground meets the conditions can improve the service life and effect of floor paint. Before the floor paint is applied, it should also be ensured that the ground is dry, flat, free of oil and other impurities, and properly sanded and repaired to ensure that the floor paint has a good adhesion to the foundation ground. Quality and effectiveness. At the same time, before the floor construction, it is also necessary to clean, polish and treat the foundation ground to ensure that it meets the design requirements.
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