Non-metallic building materials, in particular, bituminous roof coatings being building materials, building glass, enamelled glass for building, bituminous coatings for roofing other than in the form of paints, ceramic pavings and coverings, liquid plastic surface coatings for protecting against damp other than paints, textured coatings of cement, fireproof and abrasion coatings for concrete *, wall coverings of cement being panels *, ceramic tiles, fireproof cement coatings, cement, concrete...