Casement Window
DEEZON™ Casement Windows invite fresh air and natural light while delivering superior weather resistance and thermal insulation. With multi-point seals and premium hardware, they create a secure, energy-efficient barrier. Designed for lasting durability and quiet comfort, DEEZON casement windows blend performance with timeless style.
DE109 SeriesAluminum | Double-Glazed Inward-Opening Windows | Thermal Break & Soundproof
DE109-series-thermal-break-casement-windows
The wal ocupied by the frame:109mm
The thickness of the glass sash:80mm
The thickness ofthe screen sash: 26mm
The wal thickness of the profile:1.8mm
Glas configuraton:5mm+20A+5mm
Hardware system: Geman Wehag Hardware/Hardware independenty developed by DEEZON
- Manufactured with Precision
- Superior sound insulation for a quieter home
- Wide range of colors and customization options
- Comprehensive warranty and reliable after-sales service
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DEEZON DE109 Double-Leaf Inward-Opening System Window: Where Precision Engineering Meets Everyday Security
Introducing the DEEZON DE109—a meticulously engineered inward-opening system window designed for the modern home that values both comfort and protection. With a clean, minimalist aesthetic and versatile opening options, this window seamlessly adapts to your lifestyle while enhancing the architectural appeal of any space. Available in refined inner and outer color finishes, it complements a wide range of design preferences.
Engineered for exceptional performance, the DE109 features a robust 1.8mm wall thickness frame and is equipped with a multi-point locking system distributed across multiple positions, delivering superior anti-theft protection. The integrated Germany HOPPE handle enhances both operation and security, while the high-definition screen mesh ensures excellent light transmission and airflow without compromising on insect protection. The protective rounded corner sash design minimizes injury risk, making it a family-safe choice.
With outstanding thermal insulation (K<2.0 W/(m²·k)), sound insulation (RW+Ctr>35db), and water tightness (500Pa), the DE109 creates a quiet, energy-efficient indoor environment. Its integrally bent aluminum strip and precision seal technology ensure long-term stability and airtightness, backed by rigorous quality standards.
Built not just to perform, but to protect—the DEEZON DE109 transforms every opening into a statement of security, comfort, and timeless design.
Performance Parameters
k<2
Thermal insulation performance W/(㎡-k)
RW+Ctr>35
Sound insulation performance (db)
500Pa
Water tightness performance (Pa)
N8/P8 Airtightness
Airtightness performance
WP1400/3000
Wind pressure resistance performance
Our reputation
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Design Your Windows
Explore our customization options to create the perfect match for your home.
Whether you seek greater privacy, a personalized color accent, or enhanced exterior appeal, DEEZON offers the ideal double-hung window solution. Discover our design configurations and build your own fully customized windows tailored to your vision.
Got a Project in Mind?
We’d love to bring your vision to life with custom doors and windows for your restaurant, bar, or residential project.
How to order?
Procurement Process
Project Consultation
Share your requirements, drawings, or ideas with our team.
Custom Proposal & Quotation
Receive tailored designs and a transparent price breakdown.
Order Confirmation & Scheduling
Approve the proposal and agree on the production timeline.
Production & Progress Updates
Stay informed with regular updates directly from our factory.
Quality Check & Secure Packing
Each product undergoes strict inspection before safe packaging.
Shipping & Logistics Coordination
We handle documentation and arrange reliable global delivery.
Installation Support
Get detailed guidance or professional on-site assistance.
After-Sales Care
Continuous support, maintenance, and warranty services.
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CONTACT US
DEEZON team is here to support you.
- Whatsapp:+86-13509967887
- Tel:+86-757-86683996
- E-mail:penny@deezonwindows.com
- Add:No.2 Tangtou Street, Shishan Road, Shishan Town, Nanhai District, Foshan, China. More information
Feel free to reach out—we welcome your questions and will respond as promptly as possible.
















