Graepel-Quattro is a C-shaped, canted metal profile grating. Its surface is characterized by large square openings (15 x 15 mm) with upwardly punched teeth in reticular arrangement. The perforation extends only slightly upwards. The open area is approx. 35 %. Graepel-Quattro offers displacement space, drainage and slip resistance. The maximum embossed field is 465 mm.
Graepel-Quattro perforation is particularly suitable as catwalks and platforms in the industrial sector for roofed or indoor areas. Furthermore, this perforation is used in vehicle construction as covering capable of being walked on. Graepel-Quattro can also be used as catwalk on fairground rides and carnival attractions.