Karl Landl

Büsscher & Hoffmann GmbH engages in the production of bitumen and polymer bitumen membranes. Its products are used for the protection of flat, green, and pitched roofs; bridge waterproofing; and structural sealing against the effects of weather and environment. The company was founded by Friedrich Wilhelm Büsscher and Friedrich Eduard Hoffmann in 1852 and is headquartered in Enns, Austria.