Roof covering
Aluminum calotte washer TR 18
| Material | Aluminium prepainted |
| Colour | Pure white |
| RAL | 9010 |
Product description
This washer is used to fasten the trapezoidal sheet to the roof structure, it prevents deformation when anchoring the trapezoidal profile by distributing the tightening force over a larger area.
It is made of the high-quality material, and after installation, it creates a waterproof joint, as there is a seal on the bottom of the calotte.
This model is designed for the trapezoidal sheet TR 18.
Colour shortcut: B
Product code: TR-ORK TR18
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