Gebäudehülle Schweiz, the Association of Swiss Building Envelope Companies, is the leading competence center and professional service provider for the building envelope. The association represents the interests of around 600 companies in the building envelope industry. As an employer organization, the Swiss Building Envelope is committed to a balanced social partnership, in educational policy and in application technology. Building envelope Switzerland operates the professional field of building envelope together with four partner associations. In the Polybau training centers in Uzwil and Polybat in Les Paccots, around 900 poly builders are trained in sealing, roofing, façade construction, scaffolding and sun protection systems every year.