They are used to install insulating panels, to mechanically fix PVC, TPO and PE bituminous and synthetic waterproof felts. The washers are ribbed to increase their stiffness.
| N° | A mm |
B mm |
C mm |
D mm |
h mm |
|
|---|---|---|---|---|---|---|
| (1) | 40 | 80 | 7 | 1 | 3 | |
| (2) | 40 | 80 | 7 | 1 | 7 |
| N° | B mm |
C mm |
D mm |
h mm |
|
|---|---|---|---|---|---|
| (3) | 70 | 8 | 0,7 | 5,8 | |
| (3) | 70 | 15 | 0,7 | 5 |
