The execution of works in wood, derivatives, copper and other materials, in particular carpentry for roofs, sloping and flat roofs, walls, structures for residential and public interest buildings, the covering of sloping and flat roofs, the external and internal cladding of residential building structures, the execution of copper work in copper or other materials, the execution of waterproofing with materials in use, the execution of carpentry work. The company can acquire, hold and realize rights to tangible and intangible assets as well as real estate in Switzerland and abroad. The company can carry out any activity that is related to the social purpose. It can participate in other companies and consortia with similar activities.