How To Get Rid Of Mould On Windows

Friday 12th May 2023

Joanna Grimbley-Smith

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Mould growing on windowsill and wall

CONTENTS

One of the most common places to find mould in the home is on and around windows and windowsills. Even a small cluster of dark spots and smudgy marks can quickly spread to your walls, flooring, and furniture and become a big, expensive problem.

Here at ICE Cleaning, we provide quick, long-lasting mould removal services. Our technicians can eliminate all traces of mould in your property, and each service comes with a lifetime guarantee*. They are available day and night, nationwide, and can be on site in hours in an emergency.

Keep reading to find out why mould is growing on your windows and how to remove it.

*subject to advisories

What causes mould to grow on windows?

Mould is caused by excess moisture and usually grows in areas with high humidity, damp, and poor ventilation.

The biggest cause of mould on windowsills is condensation. This is when warm air that contains lots of moisture comes in contact with a cold surface, like a windowpane. It mainly occurs in rooms which get very warm, steamy, and humid, like bathrooms and kitchens during cooking and washing.

Leaking window frames can also let in rainwater. Wooden window frames are more likely to have mould growing on them than uPVC windows, for example, as wood absorbs moisture, creating the perfect environment for mould to grow.

Why you must have mould removed as soon as possible

Firstly, mould is very dangerous to be exposed to and can cause health problems. Ingesting, inhaling, and touching mould spores could cause an allergic reaction like a runny nose, wheezing, or coughing.

Some types of mould, like black mould (known also as Stachybotrys Chartarum) which often grows on windows, can release toxic substances.  

Certain groups are more vulnerable to mould exposure like very young children, elderly people, people with respiratory problems, and people with asthma and eczema.

Not only is it hazardous to live with mould, it could damage your property, as well. Mould will eat away at wooden windowsills and cause it to slowly deteriorate. This damage may let in more rainwater into your property, making the mould worse.

Mould can spread very quickly if not treated, too, and may end up on curtains and walls near the affected window before taking over your property.

How to remove mould

There are plenty of DIY cleaning tips online for mould removal that simply require household products. However, you must always leave mould remediation to the professionals.

Firstly, mould removal is dangerous without personal protective equipment (PPE) as you are more likely to come in contact with it and touch, inhale, or ingest spores.

Some cleaning products, like bleach, can also be harmful and could irritate your skin and eyes. You might even accidentally create hazardous substances if you mix it with other chemicals.

You could clean it up incorrectly, too, and make the situation worse. Scrubbing or washing a mould patch, for example, can spread the spores around. Chemicals like bleach, on the other hand, may damage surfaces, such as discolouring painted window frames.

Professional cleaners have the PPE and specialist products and equipment to safely remediate all the mould spores from the surfaces and the air. Our technicians can diagnose the root cause of the mould and advise on how to prevent it, as well.

This is especially important when it comes to mould on your windows and windowsills. Should you fail to fix the leaks or sort the condensation problem, it will quickly return after removal.

How to stop mould growing on windows

There are lots of ways to prevent mould, such as keeping humidity levels low, and watching out for water damage and damp in your property. Here are some specific tips for keeping your windows mould-free:

  • Stop condensation forming by opening windows regularly and using extractor fans in bathrooms and kitchens so moist air does not build up
  • Wipe down windows and use a window vacuum regularly to remove any condensation
  • Keep the heating in your property even and don’t let the temperature rise and fall dramatically as this can cause condensation to form
  • Opt for double glazed windows so your windowpanes will not be cold
  • Open the blinds and curtains or they could form a cold pocket of air which can lead to condensation

Get in touch

Our Dewpoint-accredited technicians can use the latest industry-leading equipment to remove all traces of the mould in your home and significantly improve its air quality.

Contact our friendly team today to book our technicians for mould remediation on 0208 066 0360 and at enquiries@icecleaning.co.uk.

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