uPVC Fixed Window
Maximum architectural light exposure. Sits permanently in its frame without moving sashes, delivering the absolute highest thermal efficiency and complete acoustic seals.
Guard
Interactive CAD Blueprint
Hover or tap on different parts of the CAD diagram (Glass, Frame, Gaskets, Setting Blocks) to view structural blueprints and engineering details.
Technical Blueprint Metrics
| Daylight Aperture | Maximum glass exposure ratio (> 85%) |
| U-Value (Thermal) | 0.8 U - 1.1 U (Highly optimized thermal barrier) |
| Maximum Height Limit | 2400 mm per single glazed sheet |
| Maximum Width Limit | 1800 mm per single glazed sheet |
| Air Infiltration | Class A1 (Absolute zero air leakage) |
| Profile Thickness | 60mm - 70mm multi-chamber profile casing |
| Wind Load Capability | Tested to hold up to 5000 Pa (High-rise safe) |
Absolute Weather Seal, Complete Efficiency
Crown Fixed Window systems offer the highest insulation rates in modern high-rise and residential architectures.
Supreme Thermal Guard
Since there are no operational joints or sliders, air leakage is 0%, ensuring excellent air-conditioned cold retention.
High-Rise Wind Safe
Excellent structural rigidity and thick profiles withstand massive wind load shears on high-elevation skyscraper facades.
Panoramic Daylight entry
Sleek frame outlines maximize visual glass areas, letting warm ambient natural daylight flood your interiors.
Order Fixed Windows
Submit sizes, sash quantities, and glass details to get a customized price estimate and CAD layout drafts.
Lead-Time Promise
Roboter extrusion ensures final delivery to site in under 15 working days from order clearance.