19 Building materials, in particular materials for sealing or insulating, included in this class, namely, concrete, mortar, cement, cement aggregates, sand, adhesive mortar for building purposes, waterproofing membranes for roofing, floors and walls, asphalt and bituminous roof coatings, cement renders, sealer coatings sold as an integral component of concrete floors; mineral products, namely, cement, sand, mortar mixtures; quick-setting cement, repair mortars, filler grout, plaster mixtures for interior and exterior plastering; screed being a thin layer of material poured on top of structural concrete or insulation, upon which other finishing materials can be applied, namely, semi-dry concrete screed, cement screed, self-compacting concrete screed, self-leveling underlayments and self-leveling overlayments, being non-metal exterior panels; resin-based screed mortar, cement screed wall and floor panels; combinations of plastic and bitumen being building materials, namely, polymer modified bitumen mixes, namely, water- and damp-proofing emulsions for waterproofing concrete and buildings; bitumen panels, bitumen sheet membranes being sheet building panels, bitumen based adhesives