Certifications & Test Reports
Over 50 USA & EU fenestration certifications and test reports.

Anthracite casement windows have gained immense popularity in the realm of modern architecture and interior design. With their sleek and contemporary appearance, along with numerous energy-efficient benefits, these windows have become a popular choice among homeowners and designers alike.
Anthracite casement windows are known for their smooth, charcoal grey finish that effortlessly complements various architectural styles. Whether your home boasts a minimalist, industrial, or contemporary design, these windows seamlessly blend in and enhance the overall aesthetics. The anthracite color offers a timeless appeal, creating a striking visual contrast against lighter-colored building materials.
Moreover, anthracite casement windows are available in a range of sizes and configurations, allowing designers to achieve custom looks for different spaces. Whether you need large panoramic windows or smaller ones for specific rooms, these windows offer versatility in design and functionality.
Besides the undeniable visual appeal, anthracite casement windows are designed to be energy-efficient, providing multiple advantages for homeowners. The frames are crafted using advanced materials such as uPVC or aluminum with insulation properties. These materials prevent heat transfer between the inside and outside, keeping your home comfortable throughout the year.
The advanced design of anthracite casement windows ensures a tight seal when closed, minimizing drafts and preventing air leakage, which can lead to energy losses. The excellent insulation properties reduce the reliance on heating and cooling systems, ultimately resulting in energy savings and lower utility bills.
Anthracite casement windows are designed to maximize the intake of natural light, making your interiors brighter and more inviting. The large glass panels and slim profiles allow ample sunlight to enter your home, reducing the need for artificial lighting during the daytime and creating a pleasant ambiance.
In addition, these windows offer excellent ventilation options. The casement style allows the windows to swing open completely, promoting optimal airflow and refreshing your living spaces. Fresh air circulation can greatly improve indoor air quality, contributing to a healthier environment within your home.
When it comes to the safety of your home, anthracite casement windows offer robust security features. The multi-point locking systems and sturdy materials make it difficult for intruders to force entry. These windows are designed to provide you with peace of mind, knowing that your home is well-protected against unauthorized access.
Anthracite casement windows are built to withstand the test of time. The materials used in their construction are highly durable and resistant to weathering, ensuring they maintain their appeal for many years without requiring frequent maintenance. A simple wipe with a damp cloth is all it takes to keep them clean and looking as good as new.
Anthracite casement windows offer a blend of elegance, energy efficiency, and security. These windows not only enhance the overall aesthetic appeal of your home but also provide long-term savings by reducing energy consumption. With their durability and low maintenance requirements, anthracite casement windows are an excellent investment for any homeowner looking to upgrade their windows and enjoy the benefits they bring.
anthracite casement windowsWith 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.
Over 50 USA & EU fenestration certifications and test reports.
TPS glazing ensures that no air leakage and fogging issues for 25 years warranty.
More than 4000 high-end bespoke fenestration projects in North America.
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.
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!
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.
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.
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.