“Major Contributors” of Black Mold Around Windows – Simple Remedies to Prevent It


Nobody wants to find mold around their house, but it can be hard to avoid in damp bathrooms during the winter. While single-glazed fittings are more susceptible to developing moisture and fungus spores, double-glazed windows can also fall victim to unsightly black spots. According to the experts at Windows Guide, leaks and condensation are the two “main contributors” to black mold in the home. However, both are easily prevented using a few simple remedies.

How to Prevent Mold Around Windows

Although not all mold is harmful, it can pose a risk to your physical health if you already suffer from asthma, eczema or respiratory infections.

The toxins released by mold spores – called mycotoxins – can damage the lungs, skin and nervous system, which is why controlling mold growth around your home is crucial.

A Window Guide expert said: “If water is leaking from the outside onto the window sill, it’s likely that the window frame is damaged and needs to be repaired or completely replaced.

“When it comes to condensation, it’s all about reducing the amount of moisture in the air around your home, and there are several things you can do.”

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Move houseplants

Indoor plants are a great way to improve the air quality around the house while adding a splash of color, but they can do more harm than good in the wrong place.

Windows Guide explained that houseplants kept near windows can exacerbate humidity levels in the air, contributing to mold growth. For this reason, it is best to keep houseplants away from windows and glass doors during colder months.

Use a dehumidifier

A dehumidifier is a worthwhile investment if you’re battling moist, humid air, especially in bathrooms and kitchens.

Use one next to exhaust fans to keep excess moisture from steam to a minimum.

READ MORE: “It’ll do it” Use a simple 2p hack to get rid of limescale in the bath

How to remove existing mold

To permanently remove mold from the existing window, a simple solution of white vinegar is all you need.

Window guides highlighted the importance of wearing gloves to avoid irritation when dealing with toxic spores.

Simply fill a spray bottle with undiluted white vinegar and spray liberally over black fungus stains. Experts explained that the vinegar needs time to break the mold and it needs to sit for an hour.

Use a scrub brush and warm water to remove excess stains from the window and wipe them down once more.

Unlike non-porous UPVC window frames, wooden hardware is more susceptible to developing a recurring mold problem.

Windows Guide said: “Mildew on a wooden window frame can gradually deteriorate it. Wood retains moisture, making it the ideal material for black mold to form and grow.

“To combat this, you may want to consider painting or staining the wooden frames and cleaning the seams of the frames well to ensure they are free of dust and moisture.”

This can be done after the frames have been treated with vinegar and left to dry.


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