A supporting fabric having a width of at least 30 cm, and containing warp and weft yarns of a synthetic material, for bearing one or more layers of sand, gravel, stones, clay, loam or similar bulk or other material to a height of at least 10 cm, wherein the yarns extending in the warp direction of the fabric consist of straight warp yarns having a tensile strength of at least 0.2 kN and binder war