According to the floor technology, it needs to be based on the weather (i.e. temperature, humidity, dryness, etc. ) Where it is used. Under normal circumstances, the paved floor does not tilt within 1 year, and cracks are no problem. Maintenance is mainly to avoid rain soaking, corrosive liquid dripping (children's urine) and so on. A good floor usually takes about 10 years, no problem.
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