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Fortress Windows
| Configuration | Parameters |
|---|---|
| Aluminum profile | 6063-T5-1.8 |
| Heat insulation strip | PA66 GF25 multi-cavity nylon |
| Glass | 5TP Low-E +12Ar+5TP+12Ar+5TP |
| Hardware | Italian AGB hardware, inward opening and tilting, HOPPE handle |
| Sealant strip | EPDM automotive-grade soft and hard co-extruded |
| Water-tightness | 700Pa / GB/T31433-2105 |
| Air-tightness | 1.00m³ / (m². h) / GB/T31433-2105 |
| Wind pressure | 3.3 kPa / GB/T31433-2105 |