Frame Color:White,Grey,Wood Grain,Black etc.All RAL & Customized Colors Available.This specification is for american sash top hung window.
Aluminum double hung windows are widely used in apartments and high-rise buildings due to their safe and practical design. The balanced sash system ensures smooth movement, while aluminum frames resist warping and corrosion over time.
series: 83 series thermal break
opening style: Double Hung and Inward Tilt
Glass: 5mm+9A+5mm clear tempered glass
Color: white
Certification: NFRC, AAMA, CE, TITLE 24, AS2047
U-Factor ≤ 0.3
SHGC ≤ 0.23
Item NO.:
KDS-W-A-DH-B008Payment:
L/C, T/TProduct Origin:
ChinaColor:
CustomizedShipping Port:
XIAMENLead Time:
25-35 DAYS
| Technical Specification – Aluminum Windows & Doors | ||
| Profile System | ||
| Classify | Technical Parameter | Other Options |
| Material | 6063-T5 Aluminum Alloy | 6063-T6 |
| Structure | Thermal break aluminum profile | Non-thermal break |
| Profile thickness | 1.6 mm | 1.4 mm, 1.8 mm, 2.0 mm |
| Finish | Powder coating | PVDF coating, Anodizing, Wood grain transfer |
| Color | White / Black / Grey | Custom RAL colors |
| Glazing System | ||
| Glass type | 5mm + 12A + 5mm Double Glazing | Single glass, Triple glazing |
| Glass color | Clear | Tinted, Blue, Green, Grey |
| Gas filling | Argon | Air, Krypton |
| Special function | Tempered glass | Low-E, Laminated, Soundproof, Security glass |
| Hardware & Operation | ||
| Hardware brand | Chinese top brand | Roto, Siegenia, Kinlong |
| Main hardware | Lock, handle, hinge, roller | Heavy-duty hardware set |
| Locking system | Multi-point locking system | Single point, Crescent lock |
| Operation | Sliding / Casement / Tilt & Turn/awning/single&double hung | Folding, Lift & Slide,fixed |
| Sealing | EPDM gasket | Silicone, PVC gasket |
| Performance Ratings | ||
| U-Factor | ≤ 0.35 | ≤ 0.28 with triple glass |
| SHGC | ≤ 0.25 | Low-E glass for better SHGC |
| Wind load | ≥ 3000 Pa | ≥ 4500 Pa |
| Water tightness | ≥ 450 Pa | ≥ 500 Pa |
| Air tightness | ≤ 0.5 m³/(m²·h) | ≤ 0.3 m³/(m²·h) |
| Manufacturing Service | ||
| Size range | Width: 500–3000 mm Height: 500–3000 mm | Customized size |
| Application | Residential & Commercial | High-rise, Villa, Apartment |
| Warranty | 5 Years | Excluding human damage |
| Certification | CE, NFRC, AS2047, TITLE 24, AAMA | ISO9001 |


Everyone wants his house to be beautiful and fashionable, so everyone should pay attention to the appearance when buying latest aluminum windows.
Aluminum alloy doors and Windows accessories: strong oxidation resistance, corrosion resistance is a feature of aluminum alloy doors and Windows, but the overall effect of aluminum alloy doors and Windows play and life extension needs to cooperate in many ways, any one link negligence will lead to the reduction of the service life of aluminum alloy doors and Windows.