Easiglaze Blog | Tips and Ideas

Condensation in Double Glazing Windows? Use Hair Dryer


One of the most frustrating things that can happen in the home can be an issue with your double glazing. When it comes to double glazing issues, none are more frustrating than internal condensation. Today we are going to look at this issue, and we will also look at how to address it quickly.

There Is Condensation In My Glazing, Why?

Condensation between the panes in your glazing can look aesthetically disturbing, and it can also block light and give a room a dulling effect in some extreme cases. If you find you have condensation between the panes, this would immediately suggest that there could be an issue with the sealed unit of the windows.

The sealed unit of the window is the outer seal than surrounds the glass pane. When this seal fails, it allows moisture to enter. This moisture presents in the form of condensation.

More often than not, double glazing can show condensation because of temperature. Temperature plays the most significant part in condensation appearance, simply put, when the surface of the window is at a lower temperature than that of the room, condensation can form. The condensation can, however, only form between the panes if the surrounding sealant has failed.

If this condensation is left untreated, this condensation can cause issues not only with your glazing but also to the surfaces below. Water allowed to run onto lower surfaces may cause wet and dry rot or even black mould.

Well, Why Now?

The first thing you should note is that this problem may have been around for quite a while. Condensation tends to show up when the climate starts to change. At the time when the colder nights start to draw in, the thermostat gets turned up, and we settle in for nice long hot baths, this is generally when the condensation will be most prominent.


The easiest way to think about it is this when you take a long hot bath; your bathroom mirror steams up. The mirror is filled with condensation, and if this condensation can find its way through the seal of your double glazing, it will also take home between the panes of glass.

Of course, one thing you should be thankful for it that the external seal of the glazing is working correctly. The condensation is forming between your panes as it has nowhere else to go, this is a great way to know your glazing is almost working effectively, apart from, of course, that ungodly sight between your panes of glass.

What Else Could Cause It?

The condensation itself can be caused by many other factors, so there are some other things you should take into account. In the majority of cases, the condensation will appear as we said earlier, because of the humidity. The two rooms most likely to form heavy inner pane condensation are the kitchen and the bathroom. These are the two rooms of the house where the moisture and humidity are at their highest.

A property that has also recently undertaken a large amount of construction work is also at risk. If the property, for example, has undergone a remodel with plastering, wet plaster contains high levels of moisture. These levels of moisture are also found in concrete and paint. Why most would believe these items would dry in just a few days, the truth is, especially with concrete and plaster, the drying process can take up to six months.

Are There Any Solutions?

Luckily enough, when it comes to condensation between the panes of your double glazing, there are a number of ways it can be addressed. The majority of these ways are, however, quick fixes and not permanent solutions:

  • A Hair Dryer – One of the most popular answers and the fastest repair is to use a hairdryer. Many homeowners nowadays have a shared issue when it comes to removing condensation. This solution seems to be a quick fix for all. Applying heat to the window with a hairdryer will quickly help the moisture disappears. You should also be careful when using a hairdryer to ensure the temperature is not too high. The hair dryer should also be kept away from the seals, overheating the seals could worsen the issue over time.
  • Ventilation – The key to ridding your double glazing of condensation is understanding the primary cause. As mentioned previously, when the humidity cannot escape, it forms as condensation. Simple solutions, such as opening windows a small amount, especially after a shower, will help the air circulate. The use of extractor fans in the kitchen and bathroom area will also help reduce the amount of condensation.
  • Dehumidify – Another solution for a quick fix can be a dehumidifier. Having one of these in a problem area that can help massively. They understandably may not be ideal for some, and the yearly cost of running one may work out more expensive than a brand new window.

One thing to take into account is the importance of monitoring the condensation issue. Condensation obviously causes water droplets. Water droplets can eventually create a damp problem in the home. Mould and damp can, in fact, be very detrimental to your health, so it is imperative to keep an eye on these situations.

Permanent Fix

As mentioned, the previous section was just a collection of temporary fixes, and you may find that some of them suit you as permanent fixes. One thing you should take note of though is that condensation between your window panes is serious.

The issue could just be a simple as a sealant issue; simple sealant issues can be addressed very easily. The problems come when the sealant unit has wholly failed, and the cold is no longer being kept at bay.

In some cases the solution may be as simple as changing the glazing, there are however cases where the lifespan of the windows has run its course, and new units are required.


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