The Graepel web has a C-shaped contour. The surface features embossed round holes (d = 12 mm) on the upper side and punched, beaded slotted holes on the lower side to reinforce transverse stiffness. The embossing projects upwards by a maximum of 4 mm. The profile height of 16 mm in the transverse direction of the grating allows for high point loads. The open area is approx. 28%. Despite the large void volume and high drainage capacity, a ball ≥ 16 mm cannot fall through. Graepel-Steg offers high slip resistance. The maximum embossed panel width is 270 mm.
Use
Due to the high transverse stiffness of the grating surface, the Graepel-Steg pattern is capable of withstanding high point loads across wider grating spans. This means, for example, that it can be used to cover drainage channels on areas subject to vehicle traffic. The gratings are also suitable for areas where trolleys are used.
The Graepel-Steg pattern has already been used in façade design. It would also be conceivable to use this pattern for enclosures and cladding.