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How to Adjust Double-Glazed Windows

If you are seeking a window that provides you with energy efficiency, noise reduction, and the best insulation then don’t look further Double-glazed windows are the ideal choice for you. These windows are composed of two glass panes which are separated by a layer of air or gas. It is creating a barrier that helps you to maintain a comfortable indoor environment. The double-glazed window may need adjustments from time to time depending on factors such as settling, temperature fluctuations, or general wear and tear. In this blog, you will learn the complete steps of how to adjust double-glazed windows.

Adjust Double-Glazed Windows

Step -1: Discover the Problem
It is essential to identify what’s the actual issue causing in your double-glazed window before making any adjustments. Generally, the issue rise in opening or closing windows, condensation between the panes, or misaligned sash. Identify the exact problem by carefully inspecting the window, as different issues may require specific adjustments.

Step 2: Cleaning and greasing.

First of all clean the window frame and tracks before making any adjustments. Clean any dirt, debris, or dust that hinders smooth operation by using a soft brush or cloth. Once you clean the frame, apply silicone-based greasing to the tracks and moving parts to increase the window’s overall movement and reduce friction.

Step 3: Adjust the Window arrangements.

If you’re facing problems in opening and closing the window then it might be disarranged. To set the window alignment, follow the steps given below.

Open the window fully and check for any hindrances or debris along the tracks.
The hinges or locking mechanism of the window should be loosened slightly. Be careful not to fully remove the screws as this may cause the sash to fall off.
Softly push the window sash to adjust its position and focus on any resistance or uneven movements that happen during adjustment.
After the sash is correctly fixed, tighten the screws back into place.

Step 4: Preventing drafts and moisture

If you observe drafts or moisture between the glass panes so it could be a sign of a damaged seal. Unfortunately fixing a damaged seal usually needs professional assistance, as the whole window unit is required to replace. If the issue is small then you can solve it using weatherstripping to improve insulation and reduce moisture.

Step 5: Deal with hard locks or handles.

You might need some adjustments with your locks or handles if it is stiff and difficult to operate. Below is the step.

First of all, check any dirt or debris around the locking mechanism or handles. Clean the space deeply.
If still locking mechanism not working smoothly then apply a small amount of greasing on the affected parts.
Locate the set screw under the handle, and tighten it carefully if the handle seems loose.

Step 6: Inspect the Seals.

Frequently check the seals throughout the window frame for any signs of wear or break Broken seals can affect on insulation and energy efficiency of the window. If you observe any problem then immediately change the seal or get professional help.

Step 7: Obtain professional help.

While some adjustments can be made by homeowners, certain issues may require a professional installation or repair. If you are not confident about the changes you have done or your window has remarkable issues then it’s best to ask a professional to fix the damage.


Double-glazed windows provide several benefits but like other elements of your house, they may need modifications over time. By following the above steps, you can solve basic issues and keep your double-glazed windows functioning properly. Don’t forget the regular maintenance of it and when you are not sure about the problem then take the help of an expert to make sure that your window’s condition is top-notch for years to come.

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