The construction scheme of basketball court can be roughly divided into two types: silicon pu and acrylic acid. Matters needing attention in the construction technology of 3mm silicon PU surface layer of basketball court: The materials must be accurately weighed and stirred evenly. Check the flatness and slope of the base surface, and mark the accumulated water with a marker. The surface must be kept clean before each process. Observe the residual water trace and check the flatness and slope of the base surface. Indoor venues must ensure good ventilation. If the joint is deep or wide, rubber particles can be used as the bottom first, and then filled in this part. It should be kept for more than 5 days before it can be put into use.