Metal Building Windows 

For Better Ventilation And Light

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Adding metal building windows to elevates it both aesthetically and in physical value.

Windows provide multiple benefits to prefab metal buildings. 

It improve the exterior beauty of the building and help illuminate and ventilate the interior sections of the buildings. 

Components of a Framed Opening

1

It is important to verify the external window size to ensure the cutout is properly sized when ordering windows. 

The cutout should be ¼ inch larger than the window on all sides. 

For example, a 4-foot wide by the 3-foot-high window will require a 4′ 1/4″ x 3’1/4″ opening.  

Window Placement

2

The placement of steel exterior panels often dictates the location of windows, making it difficult to achieve the desired window placement.  

This is particularly important in commercial and industrial structures where the exact location of a window may be crucial to the overall design. 

When choosing a window location, it is important to consider how it will affect the flow of air or light in your metal building. 

Safety

3

It is important to think about safety features like ventilation. 

The addition of Windows will provide the necessary ventilation to let harmful gases like carbon monoxide escape and allow fresh air to come in, making it easier to breathe. 

In an emergency, windows can also be used to exit from the building if the door is blocked. 

Bracing

4

When constructing a metal building, it is important to consider bracing placement. 

Bracing is necessary to control horizontal deflection of the superstructure frame and prevent door, window, and interior finish cracking or deformations. 

What Types of Windows Can You Use in Metal Buildings?

5

The most popular window types for your metal buildings are: 

Slimline

Single Hung Window

Horizontal Slide

Slimline

Single Hung Window

Horizontal Slide

These windows have a slight frame and let in plenty of natural light, making them a great option for those looking to brighten up their space. 

Also known as a two-sash window, single hung windows are window types that have two panels or “sashes.” 

Single-hung windows are great aesthetic features that provide ample natural light and ventilation. 

A horizontal slide window features a sash that slides across the frame (rather than up and down). 

Where Are The Windows Going?

6

First, you’ll need to avoid placing them where there are already support columns or x-bracing in place. 

Secondly, it’s best to go for a higher number of smaller windows instead of a few large ones. 

Finally, go for a south-facing window if you want to add light. If you want ventilation, add a window on the opposite side of the door. 

How To Install A Window In A Metal Building?

7

you can proceed to install your metal building in the following steps: 

To install a window, you will need to measure the size of the window and locate an area on the metal building wall where you want to place the window. 

Measure the distance from the floor to the top of the window opening and subtract the window height from that measurement. 

You’ll need to add fins to both sides of the window frame to accommodate the 1/4″ allowance added to the metal panel cutout.

You might need some support if you are installing the window by yourself. 

Add Jamb Trims on both sides of the window frame, allowing you to add insulation properties to the metal building window.

Add the frame out following standard installation procedures. The frame out is a secondary attachment for the window that provides a net barrier when the main window is open.

Once the windows are installed, you’ll need to caulk and seal them to ensure they’re weatherproof. 

Framing Windows in Metal Building Tips 

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Here are some the tips to follow in framing windows in a metal building: 

Buy High-Quality Metal Building Kits 

Install Screws and Fasteners Properly 

Reduce Humidity To The Lowest Possible Level 

Install Metal Building Insulation 

Use a vapor retardant 

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Metal Building Windows 

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