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Daily Record
Daily Record
Lifestyle
Nicola Roy & Amber O'Connor

The one rule for stopping condensation and mould that everybody should follow

The chilly outdoor temperatures mean that condensation is more likely to appear on your windows, which can be annoying for many reasons.

Not only does it obstruct your views and cause unsightly water marks on your surfaces, but if it's not dealt with quickly, it can lead to bigger problems such as damp and mould infestations in your home.

Even if your windows are double-glazed, this sometimes doesn't make a difference and mould can still appear - especially during the colder weather. That's according to home expert Allan Reid, founder at Art Windows and Doors.

He says there's one solution that he says everyone should follow in order to minimise the chance of this happening, the Mirror reports.

Here's the double glazing expert's top tips, starting with his number one rule to reduce condensation - good ventilation.

Install ventilation

"Whether you have single, double or triple-glazed windows, proper ventilation is always the best way to reduce condensation," says Reid. "For double and triple-glazed windows, condensation between the layers of glass is indicative of a problem, such as the air-tight seal failing and letting the insulating gas out."

Replace the airtight seal

"Replacing the air-tight seal between your layers of glass is essential to prevent water vapour. If the seal fails and the insulating gas is not present, the subsequent water vapour will reduce the lifespan of your windows and potentially lead to draughts and chilly air," he explains. "Luckily, replacing an air-tight seal is often inexpensive, costing between £5 to £10 per window."

Check your varnish and paint

Damaged paint can make your condensation and mould problem worse (Getty Images/iStockphoto)

The expert said that if the paint and varnish around your window is starting to chip and flake away, this could indicate a condensation problem.

And when moisture becomes trapped under it, this makes the problem worse.

Allan added: "The expert adds: "In addition, paint can often hide dampness, which is caused by condensation. By ignoring the flaking paint and continuing to replace it, you avoid treating the problem, allowing it to worsen."

Install an extractor fan

Allan explained: "You can install an extractor fan directly into a double-glazed window (and even single-glazed windows) for a significant reduction in condensation. This is particularly effective for rooms prone to steaming, such as kitchens and bathrooms, with cooking and showering leading to an increase in water vapour."

Trickle vents

These can be fitted into all window frame types, and are useful for improving the air circulation in your home.

In turn, this helps to reduce the likelihood of damp, condensation and mould forming.

However, Allan warned that some older homes may lack these features, as they only became mandatory in newbuild homes in 2022.

Additional glazing

Allan said: "With triple glazing up to 40% more thermally efficient than most uPVC double glazing, the extra layers can also help to reduce draughts, condensation and cold spots.

"With better insulation, you can moreover lower your energy bills and keep your home warmer in the colder months, meaning the extra cost is often worth it - especially as bills spiral."

Positive input ventilation (PIV) units

The double glazing expert says: "PIV units have several great benefits for your home, including improving the quality of air, eliminating humidity and condensation and reducing pollutants. PIV systems can also help to reduce any dust mite allergens and asthma symptoms.

"Another great bonus is that PIV units are incredibly cheap to run, costing from £1 to £2 a month after installation. For their low cost, their effective capabilities in eradicating both mould and condensation make them a popular choice."

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