Schäfner GmbH is a master roofing contractor founded in 1987 and headquartered in Heidenfeld. The company specializes in flat and pitched roofs, terrace and balcony waterproofing, thermal insulation, lightning protection, and sheet metal work. A particular focus is on prefabricated flat roofs. As a recognized training company, Schäfner GmbH carries out work for private homeowners, the industrial sector, and public clients.