
As a professional window and door manufacturer, Deslano focuses on the research and development and export of high-performance energy-saving system windows and doors, serving global real estate developers, construction companies and wholesale buyers. Our flagship Double Glazed Casement Flush Windows series combines minimalist design with excellent thermal and acoustic insulation, making it an ideal choice for modern high-end construction projects.
Double Glazed Casement Flush Windows is a window system with a flush opening design, equipped with double-layer insulating glass, which can effectively improve building energy efficiency, reduce energy consumption, and enhance the neatness of the facade. This series is particularly suitable for residential apartments, villas, office buildings, and hotel projects, and supports multi-size customization and a variety of color options.
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Product Features (Features & Benefits)

1. Flush appearance, minimalist lines
The window sash is flush with the window frame surface, and the hidden hinge option creates a clean and seamless visual effect.
2. Double-layer hollow glass structure, with significant heat and sound insulation effects
Equipped with 6+12A+6 structure double-layer tempered glass, optional Low-E, UV protection and other functional glass.


3. Excellent sealing and airtightness
Adopting three-seal strip structure and glue injection corner code technology, it is windproof, waterproof, dustproof and mosquito-proof.
Standard basis: Meets EN12207 airtightness level Class 4, and watertightness reaches EN12208 Class 9A.
4. Optional high-quality aluminum alloy/thermal break bridge/composite material
A variety of materials and colors can be customized to meet the needs of different climate zones and budgets, and the surface treatment is durable and does not fade.


5. Safe multi-point lock system, compatible with global mainstream hardware
Equipped with German brand hardware, such as GU, Roto, Siegenia, etc., to ensure smooth operation and safe anti-pry.
Solution to customer pain points: Buyers generally pay attention to "stable operation" and "after-sales maintenance costs", and high-quality hardware is the key to decision-making.
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Customer reviews (from cooperative buyers)
"We've been sourcing flush casement windows from Deslano for over 3 years. Their consistency in quality, delivery speed, and packaging is why we keep coming back."
- Michael B., building materials wholesaler (UK)
"The double glazing really works well. Our clients in Dubai reported an instant indoor temperature improvement. Highly recommend the Deslano casement line!"
- Fatima K., project manager (UAE)
"We use Deslano flush windows in many villa projects in Australia. The effect is very modern and the customer satisfaction is high."
- Mr. Wang, construction company procurement manager (Australia)
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Why choose Deslano?
- 20+ years of production experience, exported to more than 30 countries
- With ISO9001, CE, SGS multiple certifications, quality assurance
- The factory's monthly output is up to 20,000m², with fast delivery
- Support OEM/ODM, provide drawing design services
- Provide professional packaging and transportation solutions to ensure the safe arrival of glass
- Get quotations and technical parameter information
- If you are a project buyer, door and window wholesaler or construction company, please contact us to obtain product drawings, quotations and sample delivery services.
- Send an inquiry now, Deslano is your trusted long-term door and window partner!
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