The surface of Graepel-Special P-12 is a mix of pearled perforations consisting of embossed (diameter of 5 mm) and debossed holes with a diameter of 12 mm that are arranged in staggered rows. The open area is approx. 21 %. This perforation offers a certain anti-skid effect and displacement as well as a good drainage effect. The maximum embossed field is 430 mm.
This special perforation is suitable for walking surfaces in indoor and outdoor use. It can easily be driven on even with small wheels. Graepel-Special P-12 can also be used as covering for gutters or as edging for basins.