The polycarbonate grey dome roof washers are a specially formulated thermoplastic elastomer for maximum UV, Ozone and corrosion resistance. They've been specially designed and engineered for consistent fit and performance creating a watertight seal between the fastener and the surface to provide sealing protection.
| Code | Gauge | OD (mm) |
| DE-P22-G12-A | #12 | 22 |
| DE-P26-G12-A | #12 | 25 |
| DE-P32-G12-A | #12 | 32 |
Suitable for most roof types and engineered to create a long lasting watertight seal.