PVC Windows Vs. Vinylic Windows Vs. Composite Windows

Window and door manufacturers will often compare their products based on the type of construction. PVC windows, vinylic windows, and composite windows all have different characteristics in terms of strength, durability, and flexibility

PVC Window

PVC windows are made with plastic resin that is heated and molded into a shape. The resin is then painted to create a smooth surface that can be used in various applications including doors or wall panels. PVC windows are typically very durable because they can withstand any type of weather condition that comes their way and they can also be used indoors or out. There are a few drawbacks to using PVC windows though: they can be expensive to purchase because they require more material than other types of windows; they tend to exhibit poor insulation values compared to other options; and if not installed properly they may crack during installation or due to extreme temperatures

Vinylic Window

Vinylic windows are made with glass panes arranged together in a grid pattern with air gaps between each pane. They are usually created using fiberglass rods that are embedded in resin before being heated to form the final product. Vinylic windows offer great insulation values compared to other options such as PVC or wood-frame systems because they contain fewer air gaps between panels which increases thermal

pvcu and composite window and door manufacturer


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.


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.

Full Custom Fenestration System

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!

Design Assistance Service

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.

The Safest Delivery

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.

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)