Planning and installation of building components, in particular in the field of sound, heat, cold and fire protection insulation, as well as manufacturing and trading of these products. The company can establish branches and subsidiaries in Switzerland and abroad and participate in other companies in Switzerland and abroad. It can acquire, encumber, sell and manage real estate in Switzerland and abroad, carry out financing for its own account or for the account of third parties, and provide guarantees and sureties for subsidiaries and third parties.