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YXYT aluminum fixed windows are non-opening window systems with sashes permanently secured to frames, designed to prioritize unobstructed views, maximum light transmission, and enhanced structural stability. Unlike casement or sliding windows, they lack movable components, relying on seamless integration of frame and glass for superior performance.
Ideal for scenarios where ventilation is handled by auxiliary window types (e.g., casement or sliding), fixed windows excel in airtightness, watertightness, and thermal insulation. They are widely used in high-rise buildings, commercial curtain walls, residential sunrooms, and decorative architectural elements, offering enhanced safety (no risk of accidental opening) and low maintenance due to the absence of moving hardware.
| Parameter Item | Standard Configuration | Premium Upgrade Configuration |
| Profile Material & Thickness | 6063-T5 aluminum alloy (frame 1.8mm/sash 2.0mm) | 6063-T6 aluminum alloy (frame 2.0mm/sash 2.8mm) |
| 6063-T6 aluminum alloy (frame 2.0mm/sash 2.8mm)
Thermal Conductivity |
2.8 W/m·K (with 12mm PA66 thermal barrier) | 2.4 W/m·K (with 14mm reinforced thermal barrier) |
| Wind Load Resistance | 4.0 kPa | 6.0 kPa |
| Water Tightness | ≤0.08 L/m²·h | ≤0.03 L/m²·h |
| Air Tightness | ≤0.15 m³/(h·m) | ≤0.08 m³/(h·m) |
| Maximum Sash Size | 2400mm × 1800mm | 3000mm × 2200mm |
Standard: 5mm + 12A + 5mm double-glazed clear glass (basic insulation).
Premium: 6mm Low-E tempered + 16A + 6mm tempered glass (enhanced thermal insulation and UV protection).
Custom: Laminated glass (for security), colored glass (decorative), or photovoltaic glass (energy-generating).
Structural Design:
The sash is permanently bonded to the frame using high-strength sealants and mechanical fasteners, eliminating gaps.
Large-format fixed windows integrate hidden support brackets to evenly distribute glass weight, preventing frame deformation.
Special-shaped designs (circular, triangular) feature precision-bent frames to match glass contours, ensuring a seamless, leakproof fit.
This design ensures fixed windows deliver exceptional performance in insulation, safety, and aesthetics, making them a versatile choice for both functional and decorative applications.
