How to stop Condensation on Single Glazed Windows

Single glazed windows can be notorious for condensation, damp and mould. Here’s how to stop condensation on single glazed windows.

how to stop condensation on single glazed windows

Knowing how to stop condensation on single glazed windows can be an endless challenge. If you have an older property, single glazing can be a huge factor in retaining its character and it would be understandable if you didn’t want to get rid of it.

But apart from condensation, damp and mould, there’s a whole range of issues that single glazed windows present. You’ll find your home feeling much colder than other people’s because they’re not energy efficient at all. They’re also less secure and can easily be broken.

Figuring out how to stop condensation on single glazed windows can be a comparatively simple process. You can deal with it in five quick and easy ways…

1. Wipe down the condensation each morning with a dry cloth

While this isn’t a permanent solution, you’ll at least be getting rid of it on a daily basis before it has a chance to drip down and rot the window frame.

2. Improve your home’s ventilation

Many forms of interior wall insulation will also provide a layer of ventilation so that dampness and condensation doesn’t occur. Alternatively, during warmer months, you could leave your windows open by night so that any damp air will go outside instead of making your windows steam up. For colder months, consider buying a dehumidifier if you can’t make room in your budget for some wall insulation. While this will add to your electricity bills, the damper rooms in your home will become a more sustainable environment to live in.

Don’t forget the importance of leaving a gap between furniture and the wall so that air can circulate around rooms more freely, and shutting doors to rooms which produce moist air like the bathroom and kitchen.

3. Check that it actually is condensation

Wetness on the inside of single glazed windows could actually be because of something else. You could have rain seeping in through the window frame, rising damp, or a leaking pipe. If your home has been newly built, there could still be water drying that was used during its construction for things like plaster. If you determine what the source of your wet windows is first, you’ll be able to find the solution much more easily.

4. Improve your home’s insulation

By improving your home’s loft insulation and wall insulation, and draughtproofing windows and outside doors, your home will release less CO² and have much lower fuel bills. When your entire home has a more controlled warmth, condensation is less likely to form. You won’t have to turn on your heating as much, which is the source of most condensation. It forms when warm air hits a cold surface, and better insulation will reduce how much artificial warmth you need.

5. Invest in double or triple glazing

This is the simplest solution, but the most costly. It’s a worthwhile investment however because they are much more energy efficient and well insulated than single glazing. You’ll be almost eliminating any risk of condensation forming.

Image: Larry Jacobsen

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