Double Casement Windows - Enhancing Aesthetics and Functionality

From traditional to modern architectural styles, windows play a crucial role not only in enhancing the overall appearance of a building but also in providing functional benefits. When it comes to choosing the right windows, double casement windows are a popular choice among homeowners and designers alike. With their unique design and various advantages, double casement windows have become a go-to option for those seeking elegance, efficiency, and versatility.

Benefits of Double Casement Windows

Double casement windows, often referred to as French casement windows, are hinged on the sides and open outward like doors. This unique design brings several noteworthy benefits:

  • Aesthetic Appeal: Double casement windows offer an elegant and classic look that complements both traditional and contemporary architectural styles. The two sashes provide a symmetrical appearance and can be customized with various materials and finishes to match the overall design of the building.
  • Ample Natural Light: The wide opening of double casement windows allows maximum natural light to enter the room. This ensures a bright and open atmosphere while reducing the need for artificial lighting during the daytime, resulting in energy savings.
  • Excellent Ventilation: With two operable sashes, double casement windows provide superior ventilation compared to other window types. Opening both sashes allows for cross-ventilation, creating a refreshing breeze throughout the space and helping maintain optimal indoor air quality.
  • Unobstructed Views: By eliminating a center mullion, double casement windows offer unobstructed views of the outdoors. This not only enhances the aesthetic appeal of the window but also allows residents to enjoy scenic views without any visual interruptions.
  • Easy Maintenance: Cleaning and maintaining double casement windows is a breeze. The ability to fully open both sashes makes it convenient to reach and clean both the interior and exterior glass surfaces, ensuring a clear view at all times.
  • Enhanced Security: Double casement windows are inherently secure due to their design. Their multipoint locking system and sturdy frames make it difficult for intruders to break in, adding an extra layer of protection to your home or building.

Installation and Customization Options

Double casement windows are available in various sizes, including the popular 48 x 36 dimensions, making them suitable for different spaces and applications. They can be installed in bedrooms, living rooms, kitchens, or any other area where aesthetics, natural light, and ventilation are desired.

Additionally, double casement windows can be customized to meet specific preferences and requirements. Homeowners can choose from a wide range of frame materials, such as wood, vinyl, or aluminum, each offering distinct advantages in terms of durability, energy efficiency, and maintenance. Different finishes, hardware options, and glazing choices allow for further personalization and seamless integration with the overall design scheme.


Double casement windows are a perfect blend of beauty, functionality, and versatility. Their unique design, ample natural light, excellent ventilation, and numerous customization options make them an appealing choice for any homeowner or designer. Whether you're looking to upgrade your existing windows or embark on a new construction project, double casement windows can greatly enhance the aesthetics and functionality of your space.

48 x 36 double casement window


Freedom to dream "truly custom-made"

Doorwin provides one-stop solution for professional windows doors manufacturer and installation. We have been serving customers with our high quality and branded products in United States, Asia and worldwide.


With Doorwin, you can have all of this with a simple move. This is because we believe that the best way to achieve your goals is by working with
our customers to find solutions to their problems.Our team of designers and engineers are dedicated to solving these problems by creating
products that are designed to be easy to install, easy to maintain and repair, while being cost-effective.

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Over 50 USA & EU fenestration certifications and test reports.

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Doorwin products meanwhile with half price compared with your local dealers.


Our team of experts will work with you to develop a bespoke plan that fits your needs. We take a holistic approach to the planning process, combining our technical expertise with our knowledge of customer requirements and project constraints.

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Find the true freedom to bespoke

Doorwin is the manufacturer of full custom fenestration systems, and we're here for you. We provide you with the freedom to design your windows, doors, and more with no additional charge for special shapes, hardware styles, and color choices. Your vision is our inspiration; our job is to make it a reality.
Our products are made to pass your local inspector's verification and are built under USA building codes so you can rest assured that they are safe and sturdy. Choose Doorwin to experience the best bespoke fenestration service available today!

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From manufacturing to delivery on site

We take care of the entire process for you, from beginning to end. We have our own expertise and will provide free-charge design development & contract documentation with CAD and BIM drawings. In addition to elevation details and installation design, we will double-check that the products match the drawings and project specifications through video or pictures. We'll help you specify the delivery schedule and logistics service whilst keeping costs to a minimum.

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5 layers packaging guarantee 0 damage

We're proud to be one of the top exporters of windows and doors to the United States. We pack each window individually and in four layers, and finally into wooden boxes with non-fumigation, and at the same time, there will be a lot of shockproof measures in the container to protect your items. We ensure that your products will arrive at the sites in good condition after long-distance transportation.
Doorwin has been exporting tens of millions of dollars of windows and doors to the U.S. every year, and we know that improper packaging can cause breakage of the product when it arrives on site. What the client concerns, we concern most.


Doorwin experts are experienced in working with architects, builders and homeowners to ensre your vision becomes a reality.Welcome to visit a showroom, ask questions about product pricing, request a quote and more.

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What Projects Can We Take?

We are tested by the following standards:
-NFRC (North American Fenestration Rating Council)
-AAMA (American Architectural Manufacturers Association)
-WNMA (Wood National Monument Association)
-CSA101 (Canadian Standards Association)
-I.S.2 (International Standard ISO/IEC 17025)
-A440-11 (Standard for Fire Testing of Door Assemblies for Charging Rooms)


Doorwin is a company that specializes in custom-made doors and windows. We understand that every home is unique, and we are committed to providing you with the highest quality products possible.Our products are inspired by different lifestyles, and we respect your vision when designing them. Our designs are made specifically for you, so there is no additional cost. We work across styles and profiles, whether you're remodeling an old house or designing your new dream home. Find inspirations here and we will fulfill all your imaginations.