True five-rail system with up to 80% openable area.
Technical Specifications
| Model | Neptune 188 |
|---|---|
| System Type | Penta-Track Panoramic Sliding Window |
| Wall Occupation Width | 188mm |
| Glazing | 4mm + 9A + 4mm (Standard Operable Panel standard operable panel) / 5mm + 12A + 5mm (Standard Fixed Panel standard fixed panel) |
| Profile | Thermal Break Profile 4.8mm thermal break profile 4.8mm |
| Hardware | Full GEMEGENE Custom High-end Hardware |
| Execution Standard | GB/T8478-2020 |
Performance Grades
| Water Tightness | Grade 3 |
| Wind Load Resistance | Grade 7 |
| Air Tightness | Grade 3 |
| Thermal Insulation | On request |
| Sound Insulation | On request |
Thermal and sound insulation grades are not stated in the manufacturer brochure.
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p style=”margin-top:18px”>All systems are made to measure. Send us your opening size and we will confirm the profile, glazing and hardware package.






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