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Casement Aluminum Windows
Our selection of casement aluminum windows brings modern functionality and sleek design to any project. For homeowners exploring versatile options, we also offer Sliding Aluminum Windows for Home Use, which provide effortless operation and space-saving benefits. Whether you are upgrading a single-family residence with premium Residential Aluminum Windows or specifying fenestration for a high-rise office tower, our product line delivers consistent quality. For large-scale endeavors that demand proven performance, our Commercial Aluminum Windows meet rigorous thermal and structural standards. Builders and contractors can also rely on our Standard Aluminum Windows for Construction Projects to streamline schedules without compromising on durability. Each casement window combines corrosion-resistant aluminum profiles with multi-point locking hardware, ensuring long-term reliability in coastal and urban environments.
Casement Aluminum Windows are crafted with a focus on energy efficiency and user comfort. The outward-opening sash catches passing breezes and directs fresh air into living spaces, while the compression seal system virtually eliminates drafts. Heavy-duty stainless steel hinges support the sash weight and allow smooth operation for decades. Low-E coated glass options and thermal breaks within the frame reduce heat transfer, keeping interiors cooler in summer and warmer in winter. These windows adapt easily to both new construction and replacement projects, thanks to customizable frame depths and a full palette of powder-coated finishes. From classic white to wood-grain textures, the aesthetic flexibility lets architects maintain design continuity across the facade.
- Frame Material: 6063-T5 aluminum alloy, thermally broken or non-thermal depending on climate needs
- Glass Thickness: 5 mm to 6 mm tempered, dual or triple glazing with argon fill available
- Hardware: Multi-point espagnolette locking, corrosion-resistant 304 stainless steel
- Seal System: Dual EPDM gaskets for air infiltration rating below 0.1 cfm/ft²
- Maximum Sash Size: 48″ wide × 96″ high, custom sizes built to order
- Finish Options: AAMA 2604 powder coat, anodized silver, bronze, or custom RAL colors
- Wind Load Resistance: Tested to DP50 or higher depending on configuration
- Water Penetration Resistance: No leakage at 15 psf static pressure differential
- Installation: Nailing fin, block frame, or sub-frame ready for retrofit applications
- Warranty: 10 years on frame, 20 years on glass sealing integrity
| Performance Metric | Value | Standard |
|---|---|---|
| U-Factor (Thermal Break) | 0.27 – 0.35 BTU/hr·ft²·°F | NFRC 100 |
| Solar Heat Gain Coefficient | 0.25 – 0.55 | NFRC 200 |
| Visible Transmittance | 45% – 70% | NFRC 300 |
| Air Leakage Rate | ≤ 0.1 cfm/ft² | ASTM E283 |
| Water Penetration Resistance | No leakage at 15 psf | ASTM E547 |
| Design Pressure Rating | DP50 – DP75 | ASTM E1886 |
| Forced Entry Resistance | Passed ASTM Grade 30 | ASTM F588 |
| Acoustic STC Rating | 30 – 40 dB (glass dependent) | ASTM E90 |
| Frame Condensation Resistance | CRF 48 – 62 | AAMA 1503 |
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Energy-saving Windows
As a professional manufacturer and supplier, Duoping specializes in energy-saving windows, integrating advanced Low-E insulated glass and multi-layer thermal insulation sealing technology. With excellent thermal insulation performance and low energy consumption, these windows are widely used in residential, office and hotel projects. We offer customized services for glass, frames and opening methods, accept wholesale orders, and deliver high-quality, energy-efficient window solutions for various construction needs.
Energy-efficient Windows
Duoping is a leader in the research, development, and supply of high-performance energy-efficient windows. With years of experience in the window and building materials industry, we specialize in providing products that combine advanced insulated glass and thermal sealing technologies to ensure excellent insulation, low energy consumption, and durability. Our energy-efficient windows are designed for various applications, including residential homes, office buildings, hotels, and more. We have successfully established a market presence both domestically and internationally and look forward to becoming your trusted partner for high-quality energy-efficient windows in China.
Chinese style Pavilions
Duoping is a professional supplier and manufacturer of Chinese style pavilions, relying on traditional mortise and tenon craftsmanship and advanced anti-corrosion technology to ensure high quality. Its Chinese style pavilions feature stability, durability and classic aesthetics, widely used in various Chinese-style scenarios. The company provides customized solutions, wholesale services and strict quality control, with nationwide delivery and professional after-sales support for all landscape projects.
Ultra-clear Glass
Duoping stands as a professional manufacturer and supplier of ultra-clear glass, equipped with advanced low-iron control and high-precision processing technologies. This high-quality product features 91.5%-93% light transmittance and no greenish tint, perfect for high-end construction projects like villas and star-rated hotels. We provide customized sizes and processes, with strict quality checks ensuring stable performance. Wholesale orders are supported, delivering premium glass solutions for global high-end building procurement.
Aluminum Railings
As a trusted manufacturer and supplier, Duoping specializes in producing high-quality aluminum railings with advanced electrostatic spraying and anodizing technologies. Our railings are lightweight yet sturdy, corrosion-resistant, and long-lasting, fitting well for balconies, stairs, municipal and commercial projects. We offer customized options, accept wholesale orders, and deliver reliable, cost-effective protection solutions for all types of construction procurement.
Minimalist Pavilions
Duoping is a professional supplier and manufacturer of minimalist pavilions, with advanced precision processing, seamless splicing and matte spraying technologies to ensure high quality. Made of 6063-T5 aluminum alloy, its minimalist pavilions are durable, elegant and versatile, widely used in modern outdoor scenarios. The company provides customized solutions, wholesale services and strict quality control, with nationwide delivery and comprehensive after-sales support.
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