The company's purpose is the manufacture and distribution of building materials, in particular bitumen corrugated sheets for roofing, wall cladding and foundation insulation, as well as semi-finished products and raw materials for the production of these products. The company may enter into all transactions and conclude contracts that are suitable for promoting the purpose of the company or that are directly or indirectly related to it. Furthermore, the company may establish branches in Switzerland and abroad, participate in or merge with other companies of any kind in Switzerland and abroad, acquire, encumber, manage and dispose of such participations, finance the companies in which it participates, acquire, manage and dispose of securities, intellectual property rights, intangible assets and know-how of all kinds, conduct financial, investment, trust and related service transactions, acquire, encumber, manage and dispose of real estate, and trade in emission certificates.