Polymer and plastic foundations and subfloors and substrates and substrate modules, tiles, plates, or discs of plastic, polymer or wood for anchoring, cushioning or connecting flooring, carpets, carpet tiles, parquet flooring, wood strip flooring, engineered wood flooring and hard wood flooring, ceramic flooring, cork flooring, laminate flooring and flooring of vinyl, linoleum, polymer and plastic; foundations for wall coverings, panelling and moulding