| 摘要 |
1. Surface flooring for sport and playing rooms and fields with a foundation arranged on the subsoil (1) and containing loose material (6) and with at least one superimposed water impermeable covering layer (7) characterized in that a) the foundation incorporates at least one supporting layer (3) consisting of honeycombed connected supporting bands (4) of impregnated cardboard or impregnated paper vertical to the plane of the layer, and b) the hollow spaces (5) of the supporting layer (3) are completely filled with finely crushed waterproof loose materials (6) preferably sand or finely crushed rocks. |
