How to Accurately Measure Casement Windows: A Comprehensive Guide

When it comes to replacing or installing casement windows, accurate measurements are crucial to ensure a proper fit and seamless installation. In this comprehensive guide, we will walk you through the process of measuring casement windows, step by step, to help you achieve the perfect fit for your home.

What You'll Need

Before we dive into the measuring process, gather the necessary tools to make the job easier and more accurate. Here's what you'll need:

A tape measure (preferably one that measures in inches)

A level

A notepad and pen or pencil

A helper (optional, but recommended)

Understanding Casement Window Measurements

Casement windows typically consist of a single or double sash that is hinged on one side and opens outward. The measurements you'll need to take include the width, height, and depth of the window opening, as well as the dimensions of the window sash.

Step 1: Measure the Width

To measure the width of your casement window, follow these steps:

1. Open the window fully to access the entire opening.

2. Measure the distance between the left and right sides of the window opening, from jamb to jamb. The jamb is the vertical part of the window frame that the sash rests against when closed.

3. Take three measurements: one at the top, one in the middle, and one at the bottom of the window. This ensures that you account for any variations in width due to settling or warping.

4. Record the smallest of the three measurements as the width of your window opening.

Step 2: Measure the Height

Next, measure the height of your casement window:

1. Measure the distance between the top and bottom of the window opening, from the head jamb (the horizontal part of the frame at the top) to the sill (the horizontal part of the frame at the bottom).

2. Take three measurements: one on the left side, one in the middle, and one on the right side of the window.

3. Record the smallest of the three measurements as the height of your window opening.

Step 3: Measure the Depth

The depth measurement is crucial for ensuring that your replacement window fits snugly within the existing frame. To measure the depth:

1. Measure the distance from the interior trim (the decorative molding around the inside of the window) to the exterior trim (the molding around the outside of the window).

2. Take at least two measurements, one at the top and one at the bottom of the window, to account for any variations in depth.

3. Record the smallest of the two measurements as the depth of your window opening.

Step 4: Measure the Window Sash

Finally, measure the dimensions of the window sash itself:

1. Measure the width of the sash by taking the distance between the left and right edges of the sash frame.

2. Measure the height of the sash by taking the distance between the top and bottom edges of the sash frame.

3. Record both measurements for reference when selecting a replacement window.

Tips for Accurate Measurements

Always use a metal tape measure for increased accuracy.

Double-check your measurements to avoid costly mistakes.

If you're unsure about any of your measurements, consult a professional for assistance.

Ordering Your Replacement Casement Window

Once you have all the necessary measurements, you're ready to order your replacement casement window. Be sure to provide the manufacturer with the exact dimensions of your window opening, as well as the dimensions of the window sash, to ensure a perfect fit.

By following this comprehensive guide, you'll be well on your way to accurately measuring your casement windows and enjoying a seamless installation process. Happy measuring!

Casement Window

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Casement windows are the most common style of window. They feature hinged panels that swing open and closed. Casement windows are available in single panels or multiple panels. The direction a door swings, either to the right or the left, is called the handing. In addition to handing, window are identified as either inswing or outswing depending on whether they open into the house or towards the outside.

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Simulated Hung Window with Tilt & Turn Openings

The client's idea was to maintain a certain vintage feel, and our aim was to meet the energy efficiency needs and standards of modern houses as much as possible while maintaining a retro design. Doorwin’s 61S simulated hung windows with tilt & turn openings is a respectful modernization of a classic architectural masterwork.

Why choose the tilt and turn opening method?

Because it generally has better air seals than sliding, single hung, or double hung window frames. Tilt and turn windows form a complete seal when fully closed, this means they are less prone to water leakage, and cold draughts and you’ll keep more of your heating indoors where it belongs. They can be opened in the upper tilt way to ventilate at a minimum opening status and are easy to clean outside of the glass; when there’s a good day, they can be opened as normal inward casement windows.

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Our well-crafted bespoke systems enhance the functionality and panoramic view of this modern house.

Huge, fixed glass walls up to seven meters long and two meters high bring great lighting and open views, making it really refreshing to the mind. Five meters high long narrow windows give the whole building a contemporary aesthetic.

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Custom Designed Thermal Break Aluminum Entry Door

Aluminum Door offered an air of uniqueness and elegance to a home. With their luxurious patterns and beautiful finishes, it provides this house with a bounty of aesthetics and security. Aluminum entry doors allow you to resist any weather extremes, corrosion, and pests. So aluminum is one of the most resilient and durable materials you can select for front doors considering the price/performance ratio.

With pieces of double panes, and Low-E tempered glass. The door provides a good insulation performance.

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Divided lite windows and doors offer unique architectural solutions for buildings without compromising energy efficiency or aesthetics. Doorwin provides multiple muntin and glass options to customize your divided lite windows and doors. Further customization is available with a variety of colors and materials, creating an infinite number of design combinations to best suit your style.

In this project, we use SDLS (simulated divided lites with spacer bars), these bars permanently adhere to both sides of the glass, and spacer bars are installed between the glass, this is the most energy-efficient way to create the look of classical décor grilles. The windows in the bathroom bedroom and study have an Arch Transom Design, making these rooms, which are often used by the owner, have some traditional aesthetics.

BTW, Doorwin offers free design assistance, so if you need a custom design like this one, contact us right away and we will provide you with the most aesthetically and functionally pleasing design solution.

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For windows and doors, hardware is as important as the engine is to the car. The continuous technological innovation of the European hardware industry has strongly promoted the performance improvement and functional innovation of windows and doors. In this project, Doorwin uses Hoppe™ multi-point locks, hinges, and handles from Germany.

Multi-point lock systems provide not only the burglar-resistance but also a tighter compression seam, making the window keeps good energy-efficient performance. Together with Technoform Bautec’s insulation edge bond and sealant strips, these make up our products' top insulation and energy-saving performance.

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We have several international patents to reduce clients’ labor costs, such as our unique flanges and assembly type tubular design, which is different from the other products on the market. What sets us apart among Chinese counterpart is that all our products are equipped with nail fin structures for quick and easy installation. Labor costs during installation may exceed of the window and door price, therefore, our exclusive patent allows users to not only get a significant increase in installation efficiency, but also greatly reduce the labor cost of window and door installation. A cost that may bring you unexpected savings that far exceed the price difference you may care about now.

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With our own expertise, we provided the no-cost design development and contract documentation with CAD & BIM drawings, including elevation, details about the project, and installation help.

Before production, we will provide accurate sample drawings, which will clearly show the cross-sectional pattern, size, opening method and direction, pattern of the warm spacer, and the installation nodes. We will not go into production until you have signed off on the drawing to ensure that you receive a final product that meets the exact requirements of your project.

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Doorwin's professional packing system guarantees all products are delivered safely and without any damage. We apply a four-point packing system. Firstly, adhesive plastic film is applied on interior wood frames and exterior aluminum frames to avoid scratches on the surface. Then, a paper board is applied after we apply air bubble film surrounding the whole windows/ doors to avoid any destruction or clash. Lastly, we place them into a durable non-fumigation plywood crate to avoid any possible damage during transportation.

With years of experience shipping our products worldwide, we could guarantee to ship our products to their final destinations intact and without any damage.

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Doorwin is one of the most professional window & door manufacturers are known for its great customized products. In Doorwin, a variety of colors, styles, and sizes of products are available to meet the client’s unique requirements. We own three ISO9000-certified modern factories in China. With a factory area of 20,000 m2 and a production capacity of 100,000 m2 per year. Doorwin Group has the scale to ensure timely delivery and the flexibility to reduce manufacturing lead times to as short as 18 days.

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