Non-metallic building materials, namely cementitious materials for building purposes; concrete, preferably watertight concrete; cement, micro-cement

ARTIFICIAL AND SYNTHETIC RESINS FOR USE IN PREVENTATIVE AND REMEDIAL WATERPROOFING OF BUILDINGS AND STRUCTURES

CONSTRUCTION SERVICES, NAMELY, SEALING WORK AND LAYING OF TILES, CLEANING SERVICES IN THE FIELD OF BUILDINGS, BUILDING INSULATION SERVICES, ROOFING INSTALLATION AND REPAIR SERVICES, EXTERMINATING SERVICES, AND BUILDING DEHYDRATION SERVICES