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China Steel Lined PVC Composite Windows Manufacturer, Supplier, Factory
When selecting high-performance fenestration solutions, the integration of steel reinforcement within PVC profiles delivers exceptional structural integrity and thermal efficiency. Our range of Steel Reinforced PVC Composite Windows is engineered to meet rigorous modern building standards, providing a slim sightline aesthetic without compromising on strength. For projects requiring adaptable ventilation and easy maintenance, the Tilt and Turn PVC-steel Composite Windows mechanism offers dual functionality, allowing secure night-ventilation or full inward opening. Homeowners looking to upgrade their living spaces will appreciate the tailored performance of Residential PVC-steel Composite Windows, which combine classic curb appeal with energy-saving glazing. For large-scale developments and office blocks, our Commercial PVC-steel Composite Windows deliver robust durability, acoustic insulation, and low lifecycle costs essential for demanding commercial environments.
Steel Lined PVC Composite Windows represent the pinnacle of hybrid window engineering, where a fully concealed galvanized steel core is bonded inside premium uPVC extrusions. This construction method prevents warping, increases multi-point locking security, and enables expansive glass areas with improved U-values down to 0.8 W/m²K. The fusion-welded corners and EPDM gaskets create an impermeable barrier against driving rain and noise intrusion. Below is a detailed breakdown of the key specifications and material data.
- Profiles: Class A (DIN EN 12608), multi-chamber with 1.5–2.0 mm steel lining thickness
- Glazing: Double or triple pane, argon-filled, low-E coating, warm edge spacer
- Weather performance: Air permeability Class 4, watertightness 600 Pa, wind load resistance Class C5
- Sound reduction: Up to Rw 48 dB (depending on glass configuration)
- Security: PAS 24 certified, multi-point shootbolt locks, internal beading
- Finish: Acrylic colour coating (RAL palette) or woodgrain foil lamination, UV-stable
| Parameter | Standard | Value |
|---|---|---|
| Overall Uw value | EN 10077-1 | 0.80 – 1.20 W/m²K |
| Glass Ug value | EN 673 | 0.5 – 1.0 W/m²K |
| Solar heat gain (g-value) | EN 410 | 0.45 – 0.63 |
| Visible light transmittance | EN 410 | 69 % – 82 % |
| Steel lining thickness | EN 12608 | 1.5 mm / 2.0 mm |
| Acoustic rating (Rw) | ISO 10140-2 | 35 – 48 dB |
| Opening type | – | Tilt & turn, casement, fixed, tilt-slide |
| Maximum sash weight | – | 140 kg |
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Duoping is a professional manufacturer and supplier of premium aluminum-wood windows, skillfully combining durable 6063-T5 aluminum exteriors with high-quality imported natural wood interiors. These windows blend luxurious aesthetics, excellent insulation and long-lasting durability, perfectly suited for villas, luxury residences and high-end hotels. We offer full customization of wood type, glass specs and styles, accept wholesale orders, and deliver top-tier high-end window solutions for global luxury construction projects.
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Duoping stands as a reliable manufacturer and supplier of high-quality clear glass with advanced processing technologies. This product features uniform light transmittance and reliable strength, suitable for architectural and home decoration scenarios. We provide customized sizes and processes, with strict quality control to ensure stable performance. Wholesale orders are welcome, delivering cost-effective solutions for global project procurement.
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Shandong Duoping New Material Technology Co., Ltd., a professional manufacturer and supplier of Traditional Architectural Pavilions, boasts senior ancient architecture craftsmen and advanced production capacity. Its Traditional Architectural Pavilions combine traditional mortise and tenon craftsmanship with modern anti-corrosion technology, ensuring excellent Quality, and supporting wholesale and customized services for various ancient-style landscape procurement needs.
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Duoping is a professional developer, manufacturer, and supplier of high-quality PVC windows. By leveraging precision processing technology for PVC profiles, we have created PVC window products that are lightweight, eco-friendly, offer excellent sound and heat insulation, and provide exceptional cost performance. These windows are widely suitable for residential, apartment, and affordable housing projects, offering stable quality and competitive pricing across the national market. We sincerely look forward to collaborating with you and providing cost-effective door and window solutions.
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