Engineering Thermal Break Solutions for Global B2B Projects
Standard aluminum frames conduct heat rapidly, creating energy loss and surface condensation. Crestor Door Manufacturing Co., Ltd. solves this through precision-engineered thermal break systems. By integrating high-density insulating strips between the interior and exterior aluminum profiles, our windows and doors stop thermal transmission, reduce HVAC energy consumption by up to 40%, and deliver certified structural stability for commercial and residential developments worldwide.
How Our Three-Chamber Thermal Break Works
Every aluminum profile engineered by Crestor Door Manufacturing Co., Ltd. features a multi-chamber design optimized for extreme climate endurance:
- • Outer Chamber: Dedicated pressure-equalized drainage zone preventing rainwater penetration even during extreme wind conditions.
- • Middle Thermal Barrier: Houses wide PA66 polyamide insulating strips that isolate indoor and outdoor thermal conduction.
- • Inner Chamber: Forms a continuous triple-seal barrier, securing air tightness, soundproofing, and interior warmth.
PA66 Polyamide Thermal Break Strips
Unlike low-cost PVC alternatives, Crestor Door Manufacturing Co., Ltd. exclusively manufactures and integrates high-precision 6063-T5 aluminum extrusions with reinforced PA66 polyamide thermal break strips.
PA66 exhibits identical thermal expansion rates to aluminum, preventing structural warping or seal failure over decades of thermal cycling. On our seamless welded window series, PA66 strips withstand temperatures up to 260°C, remaining pristine through our 230°C high-durability powder-coating curing process.
Condensation Prevention & Thermal Comfort
Interior condensation damages sills, degrades finishes, and promotes mold growth. By maintaining the interior frame temperature close to the ambient indoor atmosphere, Crestor's thermal break technology eliminates surface moisture buildup even in sub-zero winter environments. When combined with argon-filled, double-silver Low-E insulated glass units (IGU), our window systems keep interior spaces consistently warm and comfortable.
Profile Series & Glazing Configuration Matrix
Custom engineering options tailored for commercial developments, luxury residential villas, and architectural projects.
| Profile Series | System Type & Profile Thickness | Standard Glazing Configuration Options |
|---|---|---|
| 76M Series | Tilt & Turn / Casement (1.8 mm wall thickness) | 5mm + 24A + 5mm Double Insulated / 5mm + 12A + 5mm + 12A + 5mm Triple Insulated |
| 95 Passive Series | Ultra-High Insulation Casement (2.0 mm wall thickness) | 5mm + 22A + 5mm + 22A + 5mm Triple Argon-Filled Low-E Glass |
| 110 Lift-and-Slide Series | Heavy-Duty Large-Span Sliding Door System | 5mm + 20A + 5mm Tempered Safety Glass |
| 110H Series | Heavy-Duty High-Rise Casement (2.0 mm wall thickness) | Customizable Double or Triple Insulated Laminated Security Glass |
Verified Thermal Insulation Performance (Uw-Values)
Whole-window thermal transmittance tested under GB/T 8484-2020 and EN ISO 10077 standards (standard test unit: 1500 mm × 1500 mm):
| Window System Series | Glass Build-Up | Tested Uw Value | Performance Rating |
|---|---|---|---|
| 90 Casement (90mm Frame) | 5mm Low-E + 12A + 5mm + 12A + 5mm Low-E | 0.9 W/m²K | Grade 10 · Passive Standard |
| 80 Casement System | 5mm Low-E + 12A + 5mm + 12A + 5mm Low-E | 0.9 W/m²K | Grade 10 · Top Class |
| 75 Tilt & Turn System | 5mm DBL Low-E + 12Ar + 5mm DBL Low-E + 9Ar + 5mm + 0.76 PVB + 5mm | 1.1 W/m²K | High Energy Rating |
| W110 Passive Series | 5mm DBL Low-E + 18A + 5mm DBL Low-E + 15A + 5mm | 1.4 W/m²K | Cold Climate Certified |
| 75 Standard Casement | 5mm + 12A + 5mm + 12A + 5mm | 1.4 W/m²K | High Thermal Rating |
Laboratory Test Verification: Under W110 system stress tests maintained at -20°C outdoor cold side and +20°C indoor warm side, zero surface condensation or frosting was detected on interior profile and glass surfaces.
Frequently Asked Questions on Engineering Solutions
Are your thermal break strips made of PVC or PA66 Polyamide?
Can you provide official thermal test reports and Uw calculations for custom BOQs?
How do Crestor systems perform in hurricane-prone and high wind-load coastal areas?
Request Custom Window & Door Engineering Solutions
Have project drawings, BOQ, or performance requirements? Contact Crestor Door Manufacturing Co., Ltd. today. Our technical team responds within 24 hours with shop drawings and factory-direct estimates.