China Thermal Break Windows and Doors System Manufacturer, Supplier, Factory

Investing in high-performance building envelopes starts with selecting the right fenestration solutions, and our range of Thermal Break Aluminum Windows delivers exceptional energy efficiency without compromising on modern aesthetics. For projects demanding superior ventilation and airtight seals, the Thermal Break Casement Windows offer a classic side-hung operation with multi-point locking. When space-saving design and smooth operation are priorities, Thermal Break Sliding Windows provide an elegant horizontal movement that maximizes glass area and natural light. For versatile functionality and easy cleaning, the Tilt and Turn Thermal Break Windows combine inward opening and secure tilt ventilation in a single unit, ideal for both residential and commercial spaces.

The Thermal Break Windows and Doors System integrates cutting-edge polyamide barrier technology to decouple interior and exterior aluminum profiles, dramatically reducing heat transfer and condensation risk. Engineered for demanding climates, every frame undergoes rigorous thermal simulation to ensure U-values meet or exceed local building codes. This system includes a comprehensive door range—hinged, sliding, and lift-and-slide configurations—that mirrors the window performance, resulting in a cohesive building envelope. The advanced glazing channels accept double or triple glass units up to 52mm, while the central gasket design guarantees continuous air and water tightness even under extreme pressure differences. Powder-coated and anodized finishes are tested to withstand UV radiation and salt spray for decades, simplifying maintenance and preserving the architectural appeal.

Technical Specifications

• Frame material: 6063-T5 aluminum alloy with 24mm to 34mm polyamide thermal break strips (PA66 GF25)
• Glazing options: double glazing (5mm + 12Ar + 5mm) up to triple glazing (6mm + 16Ar + 6mm + 16Ar + 6mm) with warm-edge spacers
• Thermal performance: Uf values from 1.8 W/m²K down to 1.2 W/m²K depending on profile combination
• Air permeability: Class 4 (600 Pa) per EN 12207
• Water tightness: Class E1050 (1050 Pa) per EN 12208
• Wind load resistance: Class C5/B5 (2000 Pa) per EN 12210
• Sound insulation: Rw up to 47 dB with appropriate glazing
• Sealing system: EPDM continuous gaskets, central seal in frame and sash
• Hardware: concealed multi-point locking with anti-lift pins and security strikers (RC2/RC3 optional)
• Finishes: AkzoNobel powder coating or Qualanod approved anodizing in 200+ RAL colors