Couche | S≤1㎡ | 1㎡ | 3㎡ | 5㎡ | 10㎡ | 30㎡ | 50㎡ | 100㎡ | 300㎡<S |
| 2 couches | 4 | 7 | 7 | 8 | 8 | 9 | 10 | 12 | Demande de prix |
| 4 couches | 5 | 8 | 8 | 9 | 9 | 10 | 11 | 13 | |
| 6 couches | 6 | 9 | 9 | 10 | 10 | 11 | 12 | 14 | |
| 8 couches | 7 | 10 | 10 | 11 | 11 | 12 | 13 | 15 | |
| 10 couches | 8 | 11 | 11 | 12 | 12 | 13 | 14 | 16 | |
| 12 couches | 9 | 12 | 12 | 13 | 13 | 14 | 15 | 17 | |
| ≧14 couches | Demande de prix | ||||||||
