How to get rid of water in between double-glazed windows?

Author: Tamia Quitzon MD  |  Last update: Tuesday, February 3, 2026

Use a hair dryer or heat gun on the window panes from the outside. This will help to absorb any excess moisture that has been trapped between the two glass layers of your double pane windows and reduce condensation build-up.

Can you remove moisture between double pane windows?

You can reduce the effect of the condensed water by simply running a hair dryer at the place where the condensation is. You may need to duct tape it to a ladder or something as it takes awhile for the water to disappear. This is at best a temporary fix as the seal on the double pane glass has failed.

Why is there water in the middle of my double glazing?

If you are experiencing condensation, moisture or large amounts of water between the two panes of glass it is likely the seal has completely failed. The likelihood is that the units have deteriorated past the point where they are no longer doing their job properly.

How to fix condensation between double-glazed windows?

Unfortunately, once condensation forms between double-glazed windows, the only long-term solution is to replace the sealed unit. While temporary fixes like using a dehumidifier may help, replacing the affected window pane is the most effective way to resolve the issue and restore your window's efficiency.

How to get water out from between window panes?

You can reduce the effect of the condensed water by simply running a hair dryer at the place where the condensation is. You may need to duct tape it to a ladder or something as it takes awhile for the water to disappear. This is at best a temporary fix as the seal on the double pane glass has failed.

Double Glazing Unit Condensation / Blown DIY Repair.

Will a hair dryer remove condensation between glass panes?

Use a hair dryer or heat gun on the window panes from the outside. This will help to absorb any excess moisture that has been trapped between the two glass layers of your double pane windows and reduce condensation build-up.

How do you get water out of the middle of a window?

Re-sealing is generally only worthwhile if the windows are really expensive custom windows. A couple of the "voo-doo" methods to remove the water are: You can use WD-40 on the area where the seal is broken (if you can find it, and that's a big "If"). This will sometimes draw the water out.

Is there a way to clean in between double pane windows?

Most often, you need a professional to clean up the inside of a double pane window, but you may be able to temporarily clean inside your windows by drilling and pouring in isopropyl alcohol. This is a risky solution though, and it's best to work with professionals if your double-pane window seal fails.

Why is moisture trapped in my double glazing?

Condensation between the panes of your double-glazed window means the seal has failed. You can either repair the window, or replace it entirely. Repairing it is the cheaper option in the short term, but you should consider the expected life cycle of the window, and think about whether it's worth replacing instead.

Does vinegar stop condensation on windows?

Unfortunately, the answer is no. While vinegar does have disinfecting and deodorising properties that can clean and remove built-up condensation from windows, it does not provide a long-term solution to stopping condensation.

Can double pane windows be resealed?

When a seal is faulty, the double glazing loses its airtight ability and the argon gas is lost. This can in some cases be remedied, with resealing of your double-glazed windows a possibility.

Will WD-40 stop condensation on windows?

For combating excess humidity, dehumidifying solutions like WD-40 Original Spray can be applied to both sides of double-glazed windows, acting as a barrier against moisture penetration.

Is there a vacuum between double glazing?

Most double glazing consists of two panes of glass separated by a cavity. Some people think that the gap in the windows is a vacuum, but that is not true. The cavity is usually filled with a noble gas, such as Argon. This gas slows down the heat that's trying to escape your room – this is called thermal transfer.

How to fix fogged double-pane windows?

Drill two small holes near the bottom of the pane, and then use a cleaning solution or a dehumidifier to remove the moisture. After the window fog has been eliminated, spray an anti-fog solution inside the glass and add small vents before sealing it with clear silicone caulk.

How to stop condensation on windows overnight?

Keep curtains open in bedrooms at night

Keeping curtains open at night means the glass temperature will stay closer to the room temperature so condensation won't form. If it's not practical to keep curtains open, changing them to thinner curtains will still make a difference.

How do you fix water between double glazing?

Start with the simple fixes like improving ventilation and wiping down the glass. If that doesn't do the trick, try using a sealant or desiccant kit. And for stubborn condensation between the panes that just won't budge, a professional can inject argon gas to create an insulating barrier.

How do you clear condensation between double-glazed windows?

Using Space Heaters & Hairdryers. Space heaters and hair dryers are products that are in almost any home and these can be used to help clear the condensation from your double pane windows. Place the space heater or hairdryer by the window and leave it on. This will absorb all the moisture in between the windows.

Is condensation between double glazing bad?

Condensation between the two panes of glass

It is one of the most common double-glazing problems that affects UK households and is a major sign that the seal on your double glazing has failed and will need replacing.

How to clean double-glazed windows from inside?

You can clean the inside of a double-glazed window by drilling holes, but the best move is to call professional services so they can assess whether the unit needs repair or replacement. Drilling holes can damage the glass or ruin the functionality of the window.

Can you pressure wash double-pane windows?

Double-pane windows have a seal between the glass panes that helps with insulation. To prevent damage to the seals, avoid using excessive force or pressure while cleaning.

Can you fix cloudy double-glazed windows?

If the window frames are still in good condition, you can often just replace the glass units to resolve the issue. Replacing the double glazed unit can restore the window's functionality and eliminate the condensation problem by reintroducing proper sealing and insulation.

How to remove moisture in between window panes?

Use Silica Gel Packets

Place silica gel packets between the window panes. Silica gel can absorb moisture and may help reduce condensation over time.

Will condensation between panes go away?

You can't clean up condensation that forms between the windows, and it will take a long time to dissipate due to a lack of airflow. Therefore, moisture in this area often leads to mold growth.

Why is there moisture inside my double pane windows?

If multiple-pane windows appear misty or foggy, it means that the seal protecting the window assembly has failed. A desiccant is an absorbent material designed to maintain dryness in the space it protects.

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