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What specifications of sandpaper should be used to polish the old floor?
1, renovation of sports wooden floor

The renovation of sports wooden floor is to restore the old floor as new by polishing the floor surface, scraping putty, painting and waxing. Compared with reinstalling the new floor, the old floor adapts to the indoor environment and has better stability; The cost is also lower. But decoration is not suitable for all types of floors.

2, sports wood floor grinding

The sports wooden floor of the gym should be polished with a grinder before painting. The quality after polishing determines the quality of the gym. Based on the principle of "do your best, rough manufacture on demand", professionals will make the grinder achieve better working and operating results.

3, sports wood floor grinding process

The basic polishing process of sports wood floor is 1) the preliminary preparation of sports floor polishing. 2) Check the flatness of the floor. 3) Choose the correct sequence of abrasive belt particles. 4) Use the belt sander to grind the plane. 5) Use an angle grinder to grind the corner area. 6) Use a single/three-disc grinder for fine polishing. 7) Between multiple brushing, polish the floor paint with a single/three-disc grinder.