Thermally Broken Inward Opening Window
Overview
Thermally Broken Inward Opening Windows are aluminum window systems designed for modern residential and commercial buildings requiring improved indoor comfort and long-term operational reliability. The inward-opening design allows easier cleaning, safer operation in high-rise buildings, and better ventilation control compared to outward-opening systems.

Key Benefits
- Optimized Thermal Efficiency: Whole-window Uw values down to 0.79 W/m²K with triple glazing, meeting Passive House requirements to reduce building HVAC energy consumption.
- Reinforced Structural Stability: Multi-chamber profiles utilizing PA66 GF25 polyamide barriers prevent frame warping and maintain structural integrity under severe thermal stress.
- Climate Adaptation: Engineered with a triple weather-sealing design and optional warm-edge spacers, preventing frame condensation even in severe winter conditions down to -20°C.

product Parameters
Key Materials & Structure
Configuration & Options
6063-T5 Al-Mg-Ti alloy (1.9mm wall)
HOPO hardware (reliable operation)
Langshi PA66 thermal insulation strips
5mm+18A+5mm Xinyi glass
Haida sealing gaskets
Triple-seal structure
Guibao corner glue
Glue injection connection
Hardware Compatibility
- RC2-level security hardware options available for residential and hospitality projects.
- Magnetic insect screen integration supported without additional frame expansion.
Certifications
- Independently certified by Intertek and SGS to Class 4 airtightness (EN 12207) and 750 Pa water tightness (EN 12208)-ideal for high-rise and coastal exposure.
- Structural load testing completed up to Class C5 wind resistance ratings.
- Supports double and triple Low-E insulated glass units (IGUs) up to 52 mm overall thickness.
After-Sales support
- 10-year warranty on aluminum profile structure and 5-year warranty coverage for hardware and glazing systems
- Replacement components are typically dispatched within 7 business days
- Spare parts support available for discontinued project phases
- Surface finish warranty available for coastal-grade powder coating systems
FAQs
1. Do you provide installation guidance for overseas projects?
Installation manuals, section details, and remote technical support are available for contractors, installers, and project management teams.
2. How are the windows packed for international shipping?
Each unit is protected with corner guards, moisture-resistant wrapping, and reinforced export packaging designed for long-distance container transportation.
3. What shipping terms do you usually support?
FOB, CIF, DDP, and EXW terms are commonly available depending on project location and shipment volume.
4. Do you support OEM or private label projects?
OEM production, custom branding, packaging labels, and project-specific documentation are available for distributors and system partners.
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