How to Prevent Mould

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Mould is a common problem that affects many homes and buildings, and it can be both unsightly and harmful to your health. Mould spores can cause allergies, respiratory problems, and other health issues, especially for those with weakened immune systems. Fortunately, there are several steps you can take to prevent mould from growing in your home.

In this blog, we’ll provide you with some practical tips and strategies to help you prevent mould from taking hold and keep your home clean and healthy. Whether you’re a homeowner, renter, or landlord, these tips will help you maintain a safe and healthy living environment. So, let’s get started and learn how to prevent mould in your home.

What is Mould?

Mould is a type of fungus that can grow in damp and humid conditions. It thrives in areas with high moisture levels and can be found in a variety of places, including bathrooms, kitchens, and attics. Mould reproduces by releasing spores into the air, which can be inhaled and cause health problems for some people. There are many different types of mould, and they can appear in a variety of colours, including green, black, white, and orange.

Mould can damage materials in your home, such as wood and drywall, and it can also create an unpleasant odour. If left unchecked, mould can spread quickly and become a significant problem, so it’s important to identify and address it as soon as possible.

What Causes Mould?

When considering what causes mould, there are a few factors to consider, but the most significant contributor is moisture. When there is excess moisture in a space, such as from water leaks, high humidity, or condensation, it creates the perfect environment for mould to grow. Let’s take a closer look at these factors below:

Excess Moisture and Changing Temperatures

When there is high humidity or excess moisture in the air, it can settle on surfaces like windows and create a damp environment that is conducive to mould growth. In addition, when temperatures fluctuate, it can create condensation on surfaces, which can also contribute to moisture build-up – this is why maintaining your window draft seal is so important on domestic glazing. As the temperature changes, moisture can collect and then evaporate, creating a cycle of dampness that can promote mould growth. When learning more about how to prevent mould, window seals are essential.

Poor Ventilation

Another factor to consider when learning how to prevent mould is poor ventilation. When air cannot circulate freely, it can create stagnant air that allows moisture to accumulate, creating a damp environment that is ideal for mould growth. Poor ventilation can also result in excess humidity, which can further contribute to mould growth. Areas in a building with poor ventilation, such as bathrooms and kitchens, are particularly vulnerable to mould growth.

Proper ventilation is essential to keep the air moving and prevent moisture build-up, helping to minimise the risk of mould. You can improve ventilation to prevent mould by regularly opening windows and using exhaust fans can help improve ventilation and keep your home dry and healthy.


When water enters a space from a leak, it creates a damp environment that is ideal for mould to grow. Leaks can come from various sources, such as roof leaks, plumbing leaks, or poorly sealed windows. If left unchecked, leaks can cause significant damage to your home and create an environment that is unhealthy for you and your family. It’s important to identify and implement double glazing repairs to rectify leaks as soon as possible to prevent mould growth.

The Effects of Mould

Why is it so important to ensure your home is free from the issues above, to ensure mould doesn’t take hold in your home? Here are a few effects of mould that could have an impact on your health and home environment.


Mould can cause a stale or musty odour in homes and buildings. This odour is often one of the first signs of mould growth. As mould grows and spreads, the odour can become more pronounced, and it can be challenging to eliminate. In addition to being unpleasant, the odour can also indicate a potential health hazard, as mould spores can cause respiratory problems and other health issues. Identifying and addressing the source of the odour, such as mould growth, is crucial to protect your home and health.

Health Problems

There are many effects of mould on health. Mould spores can be released into the air and inhaled, causing allergic reactions, respiratory problems, and other health issues. These health problems can range from mild, such as sneezing, coughing, and watery eyes, to more severe, such as asthma attacks, lung infections, and allergic reactions. It’s important to identify and address mould growth as soon as possible to prevent health problems and protect the safety and well-being of you and your family.


The damp environment created by mould growth can be an attractive breeding ground for pests, such as rodents, insects, and mites. Pests can be attracted to the food sources that mould provides, as well as the moisture and warmth that mould can create. Additionally, pests can carry mould spores on their bodies, spreading the problem throughout the building. Addressing mould growth and controlling moisture levels in your home or building can help reduce the risk of pests and protect your property and health.

Preventing and Getting Rid of Mould

Preventing and eliminating mould growth involves controlling moisture levels in your home or building. To prevent mould growth, it’s essential to maintain a consistent temperature, improve ventilation, and address any leaks or water damage promptly. It’s also important to monitor humidity levels and use dehumidifiers in areas with high moisture levels, such as bathrooms and kitchens.

If you’re wondering how to prevent mould, it’s crucial to address the problem quickly and thoroughly. This may involve removing any visible mould, repairing window seal damage, and improving ventilation to prevent mould and moisture. In more severe cases, professional mould remediation may be necessary.

At Montrose Glass, our glazing experts can carry out both commercial and domestic repairs to prevent mould from forming within your property. Whether you need door or window repairs, emergency boarding up, or seal replacements, our glaziers can help.

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