Thermal Break Aluminum Window
Size: Custom sizes
Certifications: CE, 3C, AS
Suitable for: Commercial buildings, villas, hotel projects, private residential projects, etc.
Trade Terms: DDP, CIF, FOB, EXW, CFR
Shaanxi SGL Doors&Windows Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of thermal break aluminum window in China, also supports customized service. Please feel free to wholesale high quality thermal break aluminum window for sale here from our factory. If you have any enquiry about pricelist and quotation, please feel free to email us.
SGL Thermal Break Aluminum Window Systems: High-Efficiency Glazing
At SGL, we understand that modern architecture requires more than just aesthetics; it demands performance. Our Thermal Break Aluminum Window series is engineered specifically to solve the inherent thermal conductivity issues of traditional aluminum alloys. By integrating a reinforced polyamide bar (PA66) between the inner and outer aluminum frames, we effectively break the thermal bridge.This system is not merely about compliance with 2026 energy codes; it is about delivering structural integrity and thermal isolation.
Technical Specifications
SGL provides transparency in manufacturing. Below are the standard specifications for our thermal break series. Customization is available upon request.
| Parameter | Specification |
| Profile Material | 6063-T5 Aluminum Alloy |
| Profile Series | Casement: 70, 75, 93, 95, 110, 113, 115, 120 Sliding: 110 Other series can be customized |
| Profile Thickness | 1.4mm - 2.0mm (Window) |
| Thermal Strip | PA66 GF25 (Polyamide + 25% Glass Fiber) |
| Glass Config | 5mm + 12A/16A/20A + 5mm |
| Spacer Type | Warm Edge Spacer (Technoform/Swisspacer) |
| Gas Fill | 90% Argon Gas |
| Hardware | Siegenia (German) / Hoppe / CMECH |
| Sealing | EPDM Composite Gaskets |
| Surface Finish | Powder Coating (AkzoNobel) / PVDF / Anodized |
Performance Comparison: Standard vs Thermal Break
To visualize the efficiency of energy efficient aluminum windows, we compared data from our testing lab.
| Performance Metric | Standard Aluminum Window | SGL Thermal Break Window | Improvement |
| U-Value (W/m²K) | 5.8 - 6.5 | 1.2 - 1.8 | 3x Better Insulation |
| Sound Insulation | 20 - 25 dB | 35 - 45 dB | Significant Noise Drop |
| Condensation Point | Sweats at 10°C diff | Resists up to 30°C diff | Dry Interiors |
| Surface Temp (Winter) | Cold to touch (approx 5°C) | Room Temp (approx 18°C) | Higher Comfort |
Why Choose Insulated Aluminum Profiles?
Standard aluminum is an excellent conductor of heat, which is a massive disadvantage for building envelopes. In winter, standard frames lose internal heat; in summer, they radiate external heat inside.
SGL addresses this with precision-engineered PA66 thermal strip windows. We do not use cheap PVC separators. We utilize Technoform or equivalent Polyamide 66 with 25% glass fiber reinforcement. This ensures the expansion coefficient of the strip aligns perfectly with the aluminum, preventing mechanical failure due to temperature fluctuation.
This product solves three critical onsite pain points:
- Condensation: Eliminates the "sweating" on frames that ruins interior drywall and sills.
- Energy Waste: Drastically cuts down thermal transmittance, lowering the building's operational costs.
- Acoustic Leakage: The multi-chamber design required for thermal breaks acts as a superior sound barrier compared to single-cavity standard extrusion.
Application Scenarios
FAQ
Q1: What is the price difference between standard and thermal break aluminum windows?
A1: Generally, thermal break systems cost 30-50% more than standard aluminum due to the complexity of the profile extrusion and the PA66 strips. However, the ROI (Return on Investment) through energy savings is usually realized within 3-5 years.
Q2: Can you customize the color for the inner and outer frames separately?
A2: Yes. Because the profile consists of two separate aluminum pieces joined by the thermal strip, we can coat the exterior in a dark color (e.g., Anthracite Grey) to match the facade, and the interior in white or wood grain to match the interior design.
Q3: What is the lead time for a bulk order of thermal break windows?
A3: For standard colors (Black/White/Grey), our production cycle is approximately 25-30 days. For custom colors requiring specific powder coating batches, please allow 35-45 days.
Q4: Do you offer corner samples for us to show clients?
A4: Yes. We highly recommend ordering a corner section sample. This allows you to physically show the "break" in the aluminum and the quality of the joining strips to your clients. Contact our sales team to request one.
Q5: How does your packing ensure no glass breakage during ocean freight?
A5: We treat packaging seriously. Windows are wrapped in protective film, corners are reinforced with cardboard, and units are packed into fumigated plywood crates. We maintain a breakage rate of less than 0.5% over the last 5 years.
Q6: Are your windows NFRC or CE certified?
A6: SGL windows are designed to meet CE and NFRC standards. We can provide test reports regarding air tightness, water tightness, and wind load resistance upon request.
Next Steps
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