What Is Dead Mould And How Is It Dangerous?

Tuesday 14th November 2023

Ellen Warren

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A microscopic image of mould

CONTENTS

Mould is a common issue in many UK homes, and whilst we know the basics of mould and its dangers, most do not understand the risks of dead mould. In death, mould continues to have effects and can impact your home long after dying.

At ICE Cleaning, we offer mould removal services, utilising industrial-grade solutions and equipment to eliminate spores and embedded growths. We adhere to Awaab's Law at all times, working closely with your local council to provide the best outcome for mould cleaning.

Read on to learn more about mould's lifecycle, its death, and the dangers associated with dead mould.

What is mould?

Mould is a species of fungi which flourishes in atmospheres with extra humidity and dead organic material. These conditions are found in places similar to damp window sills, caused by humidity or leaks.

When mould spores find the right conditions, they start to grow rapidly. They feed off dead organic material such as wood or dust, making them prevalent in certain areas of our homes. 

However, while we often associate mould with decay and damage, it plays a vital role in nature by breaking down dead organisms and recycling nutrients back into the soil. To understand mould issues at home or work, understanding its lifecycle becomes essential – from how it grows to how it dies.

The lifecycle of mould

Mould follows a distinct lifecycle. Its journey begins as tiny spores floating in the air, and when these find a damp and dark spot, they start to grow into visible colonies.

These colonies mature and reproduce more spores, which are then released back into the environment to continue the cycle. Mould's lifecycle depends on moisture levels - it thrives in wet conditions but becomes dormant when dry.

When mould dies naturally or due to human intervention such as cleaning, it breaks down over time. However, even dead mould can pose potential health risks if not properly cleaned.

The death of mould

Mould, like any living organism, eventually dies. The main factors leading to its demise are a lack of nutrients or moisture and exposure to extreme temperatures.

When mould loses access to water and organic matter – its primary food source - it cannot survive. It starts drying out, breaking down into tiny particles that disintegrate over time.

Besides natural causes, human intervention also plays a part in the death process of mould. Various cleaning methods from professional cleaning services kill mould by disrupting its cellular structure.

Post-mortem effects of mould

The death of mould does not eliminate it - its remains can continue to be a problem. Mould dries out when it dies, turning into a fine dust that becomes airborne. This is still capable of causing allergies or respiratory issues in sensitive individuals.

Even though dead, the mould retains its mycotoxins - harmful substances produced during its life cycle. These toxins remain potent even after the parent organism has died.

Cleaning this residue is crucial to maintaining a healthy environment, but doing this yourself without the equipment or expertise could release more spores or put you at risk of inhaling them.

Is dead mould dangerous?

After mould dies, it can still pose a risk to our health and environment. It continues to release spores, which may trigger allergic reactions or respiratory problems in sensitive individuals.

The harmful substances present in dead moulds are not easily removed just by wiping the surface. They linger on them, waiting for an opportunity to start growing again if conditions become favourable.

To effectively clean away this lurking danger, you need professional cleaning methods provided by an expert cleaning company. This ensures the issue is completely eradicated, and guarded against future occurrences is crucial.

Preventive measures against recurring mould infestation

To stop mould from returning, ensure your home is well-ventilated. This will help to reduce the humidity that mould requires to thrive. You should also fix any leaks promptly and dry out damp areas immediately. 

It is important to keep your house clean, particularly in areas like bathrooms and kitchens where mould can thrive on soap or dead skin cells.

If you have experienced a significant infestation before, consider using anti-mould paint when redecorating. These paints contain fungicides that prevent the growth of new spores.

In severe cases, it may be worth investing in a dehumidifier for problematic rooms to control moisture levels effectively.

Frequently asked questions

Can dead mould be harmful?

Dead mould can still cause allergic reactions and respiratory issues, even though it is not growing.

Is inactive mould harmful?

Inactive or dormant mould poses a threat. It can become active again under the right conditions and cause health problems.

How dangerous is black mould?

Black mould, especially Stachybotrys chartarum, is potentially very hazardous. It produces toxins that may lead to serious health complications if inhaled.

What does toxic mould look like?

Toxic mould often appears as dark greenish-black patches on damp surfaces, but remember - not all black-coloured moulds are toxic.

Get in touch

For expert mould remediation services, you can rely on our team at ICE Cleaning. We provide specialist solutions and utilise modern technology to identify the root cause of mould and eliminate it. We include a lifetime guarantee* with these services, keeping your home safe from its return.

To learn more about what our technicians can offer, get in touch with our team today at 0208 066 0360 or enquiries@icecleaning.co.uk. We are available nationwide, 24/7, and can be on-site within a few hours after your first call.

*subject to advisories

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