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The Most Common Types of Indoor Mould

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What is Mould?

Mould is a type of fungi that is found both indoors and outdoors. It is commonly found on a variety of surfaces, including walls, ceilings, and floors. Mould can produce allergens, irritants and toxic substances called mycotoxins. Inhaling or touching mould or mould spores may cause allergic reactions or other health problems, including respiratory problems, eye irritation, and skin irritation. Mould is not always visible and can be present in both indoor and outdoor air. Some people are allergic to mould spores, which can cause respiratory problems, skin irritation, and other health problems. If you suspect that you have mould in your home or office, it is important to contact a professional mould remediation company as soon as possible.

How common is mould in buildings in the UK?

Mould is a type of fungus that can grow on walls, ceilings, and floors. It's often found in damp or leaky buildings, which can lead to respiratory problems for some people. Roughly 1 in 5 homes in the UK suffer with condensation damp - the biggest catalyst for mould growth. If you think you have mould in your home, it's important to get rid of it as soon as possible. mold is very common in the United Kingdom and is typically found in certain circumstances. If you're worried about the health of your family, it's best to consult a professional mold removal company.

12 Types of Common Indoor Mould to Look Out For

Mould can be a scary word, particularly given recent news stories. It's important to start by understanding exactly what mould is and what it does. Mould is a fungi which can grow on food, plants, but also lots of household surfaces, furnishing and clothing. It can cause a whole host of health issues, most commonly respiratory problems, but in some cases much more severe reactions. There are many different types of mould, and some can be more harmful than others. If you see any signs of mould in your home, it's important to act. This usually starts with removing or reducing the source of their food - primarily moisture. It may be necessary to contact a professional mould remediation company and we're always happy to offer free advice over the phone or live chat via our website. It's always important to be vigilant and know what to look for in case of any potential health risks.

Disclaimer: whilst different species and genera of mould may typically appear in certain colours, it does not mean they can't assume other colours. The colour of mould is largely determined by the food it has access to, meaning it can appear differently. The descriptions below are generally correct based on the food sources, building materials and locations within the home the mould types typically appear.

1. Acremonium

Acremonium is a type of fungus that can commonly be found indoors, and its powdery texture and pink-orange or white colour makes it easy to identify. Whilst acremonium isn't considered harmful by itself, it can cause infections in people with weakened immune systems.

2. Alternaria

If you are mould-sensitive, it's important to be aware of the symptoms that it can cause or exacerbate. This includes asthma and other respiratory issues, which may become worse in damp or wet weather conditions. To identify Alternaria mold easily, look out for its dark green or brown colour and fuzzy texture. If you do find this fungus on your property, remove it as soon as possible to prevent any allergies from developing further.

3. Aspergillus

Aspergillus is a common type of mould that can be found both indoors and outdoors. It often grows in damp or humid environments, which can cause health problems if inhaled. Some types of Aspergillus can produce toxins that are harmful to humans and animals. Exposure has been linked with asthma attacks, allergic reactions, vision problems and respiratory problems. Exposure can lead to allergic forms of aspergillosis such as allergic bronchopulmonary aspergillosis (ABPA) and allergic Aspergillus sinusitis. They are generally not life-threatening. In contrast, although invasive aspergillosis is uncommon, it is a serious infection and can be a major cause of mortality in immunocompromised patients.

4. Aureobasidium

Aureobasidium is a black or dark brown mould that can appear on walls, fabrics and other surfaces. It is often found in damp or humid environments, which makes it prone to causing allergic reactions in some people. If left untreated, this mold can damage property and cause health problems for those living with it.

5. Cladosporium

Cladosporium is a fungi that can be found on walls, ceilings, carpets, fabrics and wood. It is usually black or green in colour and has a velvety texture. It can cause respiratory problems in humans, so it's important to get rid of it as soon as possible.

6. Chaetomium

Chaetomium is a common type of mould that can be found both indoors and outdoors. It is one of the more dangerous mould types that appears in homes and is often found in damp or water-damaged areas, and can cause serious health problems if inhaled. Fatal deep mycoses (fungal infections) due to Chaetomium have been well documented. Brain abscess, peritonitis (infection of the peritoneum, the tissue lining the inner wall of the abdomen), cutaneous lesions, and onychomycosis (fungal nail infections) may develop due to exposure.If you find chaetomium in your home, it is important to remove it immediately as it may contain spores that could cause respiratory problems if breathed in. If possible, use an air purifier to help clean the mold spores from the air.

7. Fusarium

Fusarium mould usually has a musty smell and may be white, pink, red, or purple in color. If you notice any of these signs around your home, it's important to get rid of the mould as soon as possible for your safety and that of others living within the building.

8. Mucor

Mucor is a type of mould that can be found both indoors and outdoors. It usually has a white or grey color and a velvety texture. As mucor can cause respiratory problems in humans, it's important to remove it from the home as soon as possible.

9. Penicillium

Penicillium is a common mould that can be found both indoors and outdoors. It is usually blue or green in colour, has a fuzzy appearance, and can cause allergies and respiratory problems in humans. Penicillium grows quickly on wallpaper, painted surfaces, insulation materials, etc., so it's important to address it as soon as possible if you become aware of its presence.

10. Stachybotrys chartarum

Stachybotrys chartarum is the mould typically labeled 'toxic black mould'. Whilst it is indeed toxic and can often appear as a black fungal growth - this is not universally the case. However it certainly represents significant health risks. Commonly reported respiratory tract symptoms include nasal irritation, burning and congestion, cough, wheezing, chest tightness and dyspnea. Central nervous system manifestations include headache, irritability, lightheadedness, sleeping difficulty, concentration problems and mental fatigue. Alopecia, rashes, eye irritation and various constitutional symptoms are also frequently reported. If one had been exposed to Stachybotrys chartarum over a long time, they may find they are suffering from hematological and immunological toxicity. A suppressed immune system is the last thing you need if living with mould.

11. Trichoderma

Trichoderma is one of the most common types of indoor mould, and if you find it in your home, it's important to take action right away. This fungus can cause allergic reactions in some people and can also be a plant pathogen. It usually has a green or black colouring, is velvety-looking, and often grows on damp surfaces. If you notice mould growth inside or outside your home (or any other type of damage caused by Trichoderma), cleaning up the situation as soon as possible is essential for health and safety reasons.

12. Ulocladium

Ulocladium is a type of mould that can be found both indoors and outdoors. It often has a dark color and velvety texture, making it easy to overlook. People who are allergic to Ulocladium may find it in their homes as this mold thrives in damp conditions.

Conclusion

Mould is a type of fungi that can grow both indoors and outdoors. It is commonly found in damp or humid environments and can cause health problems if inhaled. There are many different types of mould, so it is important to be able to identify them in order to take appropriate action. If you think you may have a mould problem in your home or office, contact a mould remediation professional for help.