27 ENERGY AND HEAT TRANSFER ENGINEERING 27.010 Energy and heat transfer engineering in general91 CONSTRUCTION MATERIALS AND BUILDING 91.010 Construction industry 91.010.01 Construction industry in general 91.010.10 Legal aspects 91.010.20 Contractual aspects 91.010.30 Technical aspects 91.010.99 Other aspects 91.060 Elements of buildings 91.060.01 Elements of buildings in general 91.060.10 Walls. Partitions. Façades 91.060.20 Roofs 91.060.30 Ceilings. Floors. Stairs 91.060.40 Chimneys, shafts, ducts 91.060.50 Doors and windows 91.060.99 Other elements of buildings 91.080 Structures of buildings 91.080.01 Structures of buildings in general 91.080.10 Metal structures 91.080.20 Timber structures 91.080.30 Masonry 91.080.40 Concrete structures 91.080.99 Other structures 91.090 External structures 91.100 Construction materials 91.100.01 Construction materials in general 91.100.10 Cement. Gypsum. Lime. Mortar 91.100.15 Mineral materials and products 91.100.23 Ceramic tiles 91.100.25 Terracotta building products 91.100.30 Concrete and concrete products 91.100.40 Products in fibre-reinforced cement 91.100.50 Binders. Sealing materials 91.100.60 Thermal and sound insulating materials 91.100.99 Other construction materials 91.120 Protection of and in buildings 91.120.01 Protection of and in buildings in general 91.120.10 Thermal insulation of buildings 91.120.20 Acoustics in building. Sound insulation 91.120.25 Seismic and vibration protection 91.120.30 Waterproofing 91.120.40 Lightning protection 91.120.99 Other standards related to protection of and in buildings 91.180 Interior finishing 91.190 Building accessories |