Group Jansen NV

Official NACE headings

• Plastering work
• Other types of works with regard to the completion of buildings
• Roofing
• Restoration of buildings
• Works with cement concrete
• Wholesale in common building materials
• Do-it-yourself businesses and d.i.y. shops of common building materials
• Carpentry
• Laying of floor and wall tiles
• Laying of floors and fitting wooden wall-coverings
• Hanging wall-paper, as well as flooring and wall-coverings of other materials
• Painting of buildings
• Glazing
• Manufacture of prefabricated buildings, mainly in metal: construction camps, modular elements for exhibitions, phone boxes, etc.
• Building of tunnels for roads and railways and other underpasses
• Destruction of buildings and other kind of buildings
• Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
• Ground-water lowering and dredging of construction sites
• Setting of monitoring systems and alarms against housebreakings
• Installation of lifts and escalators
• Assembling of partitions in gypsum
• Setting in buildings or other projects of building of: wall recoverings or tiles in ceramic, in concrete or in freestones; floorings and wall recovering in granites, etc.
• Monitoring of building works (carcass, installation, finishing, etc.)
• Construction of residential buildings
• Construction of other types of non-residential buildings
• Demolishing
• Electro-technical installation works at buildings
• Plumbing works
• Installation of heating, air-conditioning and ventilation
• Insulation works
• Other types of building installations