New Jersey Doors and Windows Manufacturer: How to Measure the Size Of Your Window Opening

When you're choosing new doors or windows for your home, you need to ensure that they fit correctly. That's because you want the room to be airy and free of drafts, as well as energy-efficient. Unfortunately, many homeowners are unsure of the size of their window opening when it comes time to purchasing new windows. This is why I've decided to write this blog post: in order to help you measure the size of your window opening so you can get the best deal possible on replacement windows

The first thing that you'll need to do is determine how much space there is between your window and the wall where it sits. For example, if your window is 10 feet from one wall and 4 feet from another, then there will be 4 feet between those two walls. This measurement should include any framing around your window opening and any trim around it as well. Once you have these measurements taken, you can use them along with some simple math to determine how many windows or doors will fit into your room

If you don't have enough space for more than one window or door in your room, then choose two different sizes of windows or doors instead of just one large one that takes up all of the floor space in your

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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)