| thickness (t) | height (h) app. | open area app. | kg/m2 app. | min. grid (p) | diameter single relief | waterflow direction | std. width x length | max. width x length |
| mm | mm | % | mm | mm | mm | mm | ||
| 1 | 6 | - | 4.5 | 15.0* | 15 | // length of sheet | 2500 x app. 1500 | 2500 x 1500 or 1000 x 3000 |
