From the direction of Cologne motorway A4 direction Olpe, up to exit 24 'Bielstein', turn left following highway B56 direction Drabenderhöhe.   Follow the detailed map of Drabenderhöhe above. From the direction of Ruhrgebiet or Frankfurt near 'Olpe', motorway A4 direction Cologne, up to exit 24 -'Bielstein', turn left following highway B56 direction Drabenderhöhe.   Follow the detailed map of Drabenderhöhe above. bauku Troisdorfer Bau- und Kunststoff GmbH Industriegelände 9 D 51674 Wiehl Tel : 49 (0) 2262 / 7207 0 Fax : 49 (0) 2262 / 7207 13 service@bauku.de