It is typically made of rigid materials such as asphalt or concrete, and covered with acrylic resins to seal the surface and mark the playing lines, while providing some cushioning.
[3] Tennis hard courts are made of synthetic/acrylic layers on top of a concrete or asphalt foundation and can vary in color.
Speed of rebound after tennis balls bounce on hard courts is determined by how much sand is in the synthetic/acrylic layer placed on top of the asphalt foundation.
Some of these include brushing, pressure washing with a cleaning solution and applying chemical treatments to prevent the growth of moss and algae.
Anti-slip paint is also applied to hardcourts to give better playing qualities which enhance player safety and performance.