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Casement Door

DEEZON™ casement doors open outward to maximize interior space while inviting in abundant natural light and fresh air. Engineered for exceptional weather resistance and enhanced thermal insulation, they not only protect against harsh conditions but also improve energy efficiency for lasting comfort and savings.

DE90C Single Inward-Opening System Window | 1.8mm Wall Thickness | 5mm+20A+5mm Double Glazing | German Wehag Hardware Optional

The wall occupied by the frame: 90mm
The thickness of the glass sash: 90mm
The wall thickness of the profile: 1.8mm
Glass configuration: 5mm+20A+5mm
Hardware system: Gemman Wehag Hardware / Hardware independentlydeveloped by DEEZON

DE90C Single Inward-Opening System Window | 1.8mm Wall Thickness | 5mm+20A+5mm Double Glazing | German Wehag Hardware Optional

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DEEZON DE90C Single Inward/Outward-Opening Door: Where Simple Elegance Meets Robust Security

Introducing the DEEZON DE90C—a versatile single-opening door engineered for modern homes that demand both understated elegance and uncompromising protection. Available in both inward and outward opening configurations, this door adapts seamlessly to your spatial needs while enhancing the architectural character of any entryway. Its clean, minimalist profile and refined color finishes create a welcoming first impression that complements a wide range of design aesthetics.

Engineered for lasting performance, the DE90C features a robust 1.8mm wall thickness frame crafted from high-grade aluminum, ensuring exceptional structural integrity and resistance to daily wear. It is equipped with precision-engineered hardware—optionally available from German WEHAG or DEEZON’s independently developed system—delivering smooth, reliable operation with every use. The multi-point locking mechanism provides enhanced security, giving you and your family complete peace of mind.

With a standard glass configuration of 5mm+20A+5mm insulating glass, the DE90C delivers outstanding thermal and acoustic performance, helping to maintain a quiet, energy-efficient indoor environment. Its advanced sealing system ensures superior airtightness and water resistance, protecting your home from outside elements while keeping indoor comfort consistent year-round.

Designed not just to open, but to protect—the DEEZON DE90C transforms every doorway into a statement of security, simplicity, and lasting quality.

Performance Parameters

K=3.5

Thermal insulation performance W/(㎡-k)

RW+Ctr>30

Sound insulation performance (db)

500Pa

Water tightness performance (Pa)

N5/P5 Airtightness

Airtightness performance

WP1200/3000

Wind pressure resistance performance

Actual case studies

See our windows installed in real projects.

Our reputation

What DEEZON Customers Say ?

I installed two DE90C outward-opening doors for my balcony and main entrance in my house in Bangkok six months ago. The difference is remarkable—my living room stays noticeably cooler, and the street noise has been cut down significantly. The multi-point locking system gives me real confidence, especially when we’re away on weekends. The doors open and close so smoothly, and the WEHAG hardware feels incredibly solid.I’m very happy with the quality and the service.
Somchai Wattana
Homeowner | Bangkok, Thailand

Design Your Doors

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 Restaurant, Bar or Residential Folding Window Project to Life!

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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