The BD93 is a high-performance passive-house-grade aluminium window system. Built with European-standard 6060-T66 aluminium profiles and new-national-standard high-performance thermal breaks, it meets strict passive-house window requirements.
Delivering ultra-low U-value (0.8-1.1 W/(m²·K)), multi-chamber equal-pressure waterproof structure and triple-sealing design, this system achieves outstanding thermal insulation, air tightness and water tightness. Ideal for passive houses, net-zero-energy buildings, high-end residential and low-energy-consumption construction projects worldwide.
Key Features
Ultra-Low-Energy Performance
The BD93 system meets performance specifications for passive-building exterior windows. The overall window U-value reaches 0.8-1.1 W/(m²·K), delivering excellent energy-saving performance for net-zero-energy and low-energy-consumption buildings.
Equal-Pressure Chamber Waterproofing
Sealing gaskets form an independent equal-pressure chamber inside the window sash. This structure prevents rainwater from being sucked into the interior under wind pressure, achieving reliable long-term waterproof performance.
54mm Multi-Chamber PA66-GF25 Thermal Break
Equipped with 54mm multi-chamber PA66-GF25 polyamide thermal break with 1.2mm wall thickness. Combined with triple-layer sealing structure, it minimises rain penetration and improves overall water-tightness and air-tightness.
Thermal-Insulation Cotton Design
Thermal-insulation felts are installed between thermal break profiles and glass periphery. Effectively suppress heat convection and thermal radiation, further lifting the whole-window thermal insulation performance.
Triple-Sealing System
Middle-layer gaskets adopt mixed-hardness EPDM foam gaskets with 13.5° inclined-plane design. Combined with co-extruded soft-hard composite gaskets, the triple-sealing system effectively reduces heat loss.
High-Precision Corner-Joint Construction
Pin corner-codes with built-in diversion channels ensure full penetration of two-component adhesive into inner corners. Assembly accuracy up to 0.3mm, smooth corner surfaces, significantly improved production efficiency.
Application
Technical Specifications
Item
Frame
Sash
Profile Depth (mm)
93
103
Visible Face Width (mm)
83
Glazing bead: 25
159.4
Thermal Break (mm)
54
54
Glass Configuration (mm)
5+16A+5+16A+5 Triple insulating glass
5+16A+5+16A+5 Triple insulating glass
Performance Ratings
Water Tightness
Level 5
Level 5 — reliable resistance to wind-driven rain infiltration.
Air Tightness
Level 8
Level 8 — superior air leakage resistance.
Wind-Load Resistance
Level 9
Level 9 — top grade for high-rise and exposed applications.
Thermal Insulation
Level 10
Level 10 — ultra-low U-value for passive house standards.
Sound Insulation
Level 3
Level 3 — effective sound reduction for quieter environments.
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