Under what circumstances sports wood floors need to be refurbished

The sports wooden floor will have friction during use, and the constant friction will cause damage to the wooden floor, so under what circumstances do we need to renovate the wooden floor?
*. Check whether the paint surface of the sports wood floor is seriously damaged, whether the anti-skid coefficient of the surface of the sports wood floor is affected, and whether it will affect the sports of athletes.
Second, see if there are more scratches on the surface of the sports wooden floor, and whether it is inclined to the sports of athletes.
Third, whether the sports wooden floor has expansion and deformation, and whether the joints of the sports wooden floor are curled.
Fourth, whether the service life of the sports wood floor is within the general service life, under normal circumstances, it is not recommended to refurbish it if it does not exceed the general service life.
All in all, when the sports wooden floor has a situation that affects the movement of athletes, we all recommend that the wooden floor be refurbished.