The edged contour of the Graepel-City has a C profile. The surface consists of small upward-facing punched holes (d = 4 mm) and downward-facing punched holes (d = 8 mm), which are arranged in an alternating pattern. Graepel-City is based on the Graepel-Indoor perforation to which drain holes have been added. The surface provides excellent slip resistance and drainage. The open cross-section is approx. 6 %, and the maximum embossed field is 460 mm wide.
Graepel-City is designed for use in public buildings and outside facilities. This perforation provides a very safe and comfortable walking surface for pedestrians and is suitable riding a bicycle. Water and sediments of small grain size can fall through the drain holes, but it is sufficiently opaque, even on steps. If the surface is to be walked on with bare feet, the Graepel-Garden perforation is recommended.
Graepel-City is also used in the industrial sector, e.g. in inspection pits for cars and commercial vehicles.