Fastening style
| Fastening style | Joint width | Individually replaceable panel |
| Concealed | For horizontal joints 5...20 mm | No |
| Visible | For horizontal joints 21...35 mm | Yes |
Perforation layout

| Dimension/hole | mm |
| a | ≥10 |
| b | ≥10 |
| c | d+15, d+25, d+30 |
| d | 12, 16, 20, 30 |
Symmetrical perforation: Fully perforated in symmetrical square layout. Only 1 hole size (d) and distance (a, b, c) per product.
Art perforation: Fully or partly perforated in freely chosen locations. All hole sizes (d) and distances (c) available per product. Also other hole shapes are possible.