Aluminum Double-glazed Sliding Windows and Tilting Rotating Windows with Reliable Performance, Hurricane Resistance and Good Heat Insulation
Aluminum Double-glazed Sliding Windows and Tilting Rotating Windows with Reliable Performance, Hurricane Resistance and Good Heat Insulation
Our aluminum double-glazed sliding windows and tilting rotating windows are engineered to deliver reliable performance across a wide range of applications. Featuring robust aluminum frames and double-glazed glass construction, these windows offer excellent heat insulation, helping to maintain stable indoor temperatures while reducing energy consumption. The versatile design includes both sliding and tilt & turn configurations, providing flexible ventilation options to suit different architectural needs and user preferences.
Zonle Thermal Break Aluminum Windows – Technical Specification Table
| Parameter | Specification / Option | Notes / Benefit |
|---|---|---|
| Frame Material | Aluminum alloy with thermal break | Polyamide insulating strip separates inner & outer frame, reduces heat transfer |
| Glass Type | Double glazed / Triple glazed | Optional argon gas filling for better insulation |
| Glass Thickness | 5mm + 12mm air gap + 5mm (standard) Other configurations available |
Standard configuration suitable for extreme cold |
| Overall Window Thickness | 24~30mm (depending on glass & frame) | Ensures stability & insulation |
| U-Value | 1.6~2.2 W/m²K (double glazing) 0.9~1.5 W/m²K (triple glazing) |
Lower is better for insulation, suitable for sub-zero climates |
| Visible Width of Frame | 50~70mm | Balances strength and aesthetics |
| Thermal Break Width | 20~25mm | Effective insulation barrier |
| Max Window Size | 2000mm × 2400mm (single sash) | Low-rise buildings recommended; can customize larger sizes |
| Opening Type | Casement, Sliding, Tilt & Turn | Flexible design based on building needs |
| Hardware | Stainless steel hinges & handles | Corrosion-resistant, durable in cold/moist climates |
| Sealing Gasket | EPDM rubber or silicone | Prevents air & water leakage, improves insulation |
| Wind Load Resistance | Low to medium (for low-rise buildings) | Focused on thermal insulation rather than high-rise wind pressure |
| Sound Insulation | 30–40 dB | Double glazing + tight frame reduces noise |
| Fire Resistance | Optional rated glass | Depending on project requirement |
| Color / Finish | Powder-coated, anodized | Customized per client aesthetic needs |
| Energy Efficiency Standard | Compliant with EU / North America cold climate window codes | Highlights extreme cold suitability |
Zonle Aluminum Windows – 5 Key Advantages
- Extreme Cold Protection
Keep your home warm even in temperatures as low as -30°C. - Thermal Break Frame
Aluminum frame separated by insulating polyamide strip reduces heat transfer. - Double Glazing with Argon Option
High-performance insulated glass prevents heat loss and condensation. - Energy & Cost Savings
Lower heating bills while improving indoor comfort. - Durable & Low Maintenance
Strong aluminum structure resists corrosion and long-term wear.
Company Profile
Founded in 2001, Zonle Doors is one of China’s leading professional door suppliers, with four major production bases covering 900,000 square meters. As one of the first domestic manufacturers to implement fully automated production lines, we employ over 10,000 workers and have a dedicated R&D team of over 50 specialists. Our facilities boast 58 internationally advanced production lines, featuring automatic robotic arms, electronic saws, sliding table saws, engraving machines, automatic cutting machines, side hole machines, sanding machines, edge grinding machines, heat presses, spray booths, UV primer assembly lines, high-speed precision cutting machines, CNC laser cutting machines, and automatic multi-layer hot-press gluing machines, ensuring top-tier quality and efficiency.
In addition, we operate a state-of-the-art quality control laboratory equipped with drying boxes, universal tensile testers, photometers, moisture testers, hinge testers, and lock testers, guaranteeing the durability and reliability of our doors. With an annual production capacity of 8 million doors, we are committed to meeting global demand.
Our extensive product range includes garage doors, French doors, barn doors, sliding doors, folding doors, pivot doors, steel doors, wooden doors, wrought iron doors, fire doors, rolling doors, WPC doors, and aluminum glass doors—all compliant with international standards such as CE, CCCF, ISO9001, and ISO14001.
Beyond offering premium-quality doors at competitive prices, we provide comprehensive after-sales support through our professional overseas sales team. Zonle Doors products are exported to over 20 countries and regions, including Asia, the Middle East, South America, and Europe.
We warmly welcome you to Zonle Doors and look forward to building a long-term, win-win partnership with you!
Why choose us
1) Certification: Our products have passed the Europe CE certification, CCCF certification, and company has passed ISO9001 and ISO14001 certification.
2) 20years Door Manufacturing Experience: We has been focusing on manufacturing metal steel door, fire door, wooden door and wpc door for over 20 year.
3) The largest door manufacturer: Our four doors industry bases covers a total area of 900,000㎡, 58 professional fully automated production lines, more than 10,000 workers. It is one of the first domestic door manufacturers to adopt fully automated production lines.
4) Quality Assurance: The testing system covered from raw material, components, semi-finished doors and door accessories. Tests include salt spray test, service life test, and anti-vandalism test, anti-fire test.
5) R&D Capability: The company has over 50 R&D personnel.
6) Delivery on Time Assurance: The annual production capacity is 8million pieces metal steel door, 1 million pieces of fire doors and wooden door.
7) Project Solution: Supply one stop project case solution service since 2008.
8) Cost Effectiveness Solution: Self-produce door accessories and door hardware, such as paint, plastic powder, door locks, door hinges, door handles, peephole, doorbell, door closer, panic bar device. So the purchase cost and production have been controlled effectively.
FAQ
Q1: Are your company factory or trading company?
Q2: What is your payment terms?
A: T/T, D/P, Western Union, L/C.
Q3: Could you send me sample before I place an order?
A: Yes, offer free samples for your evaluation, you provide the Courier account for freight collect.
Q4: How can I get the latest prices?
A: Send requirements to us by mail or calling, we will reply you in 24 hours.
Q5: How long is the delivery time?
A: The production time is typically 20-30 days, depending on the order quantity and customization requirements.
Q6: How about your production capacity?
A: The annual production capacity is more then 1 million set of external and internal doors, more then 2 million square meter wall panel and flooring.
Q7: How often do you develop new models?
A: We regularly develop one new model per month.
Q8: Can you customize the door size and design?
A: Certainly. All of our products are capable of being fully customized to meet your specific requirements.
Q9: How can you guarantee your sales' quality?
A: To control quality, we have four testing procedures: initial inspection, re-inspection, final inspection and sampling inspection.
Q10: Do you have any certifications?
A: Yes, our products are certified by ISO, CE, and other international standards.