The Crawford 521 folding door is a robust door. With extra strong frame construction and the thick, insulated door panels, it is suitable for use in more demanding industrial environments.
| Max size (W x H) 1) |
7590 x 6000 mm |
|
Thickness |
50 mm |
Colours
- standard
- optional |
5 colours
Unlimited |
| Windows |
Rectangular in three
different sizes |
| Thermal transmittance EN12428 2) |
1,7 W/m²K |
| Wind load EN12424 3) |
Class 2 |
| Air permeability EN12426 |
Class 2 |
| Water penetration EN12425 |
Class 2 |
1) Other sizes on request
2) Door configuration 4000 x 4000, 2 + 2
3) Higher wind load classification on request