- Musty Odours: If your home starts to smell damp and stuffy, don’t ignore it – this is the first sign of mould
- Seeing Mould: This may seem obvious; however, many people mistake visible mould growth for dirt or soot
- Water Damage: If you have experienced moisture problems in the past such as a burst geyser or a leaking water problem, those areas may need to be checked for mould growth
- Past Flooding: Floods can often lead to mould growing in out-of-sight places such as behind walls or under floors
The rainy season brings many positive benefits to our country. After the water recedes, however, homeowners may be faced with a hidden danger that could affect the integrity of homes and the health of families – mould.
Damp walls or water damage caused by heavy rain or flooding are at risk of mould growth.
Acting quickly to assess how much moisture has entered or is lingering in your walls, from your ceiling or other parts of your home could save you a lot of money in clean-up and restoration costs.
How does mould happen?
Mould thrives in moist, warm and humid conditions. Winter is the prime time for mould growth as it follows the autumn rains. Damp walls, combined with poor ventilation and indoor heating allows mould spores to grow, digesting the surfaces they grow on as they do so.
The negative effects of mould on health
There are many common types of mould that appear in the home, including aspergillus, cladosporium and stachybotrys atra (or black mould). While not all of these moulds are toxic to humans, they can lead to other issues, such as musty odours, deterioration of the home, and it can also trigger allergies and respiratory problems at best.
According to WHO, “Excess moisture on almost all indoor materials leads to growth of microbes, such as mould, fungi and bacteria, which subsequently emit spores, cells, fragments and volatile organic compounds into indoor air. Moreover, dampness initiates chemical or biological degradation of materials, which also pollutes indoor air." (Medical News Today)
At worst, prolonged exposure to black mould (also referred to as ‘toxic black mould’), compounded by an allergic reaction can cause nausea, vomiting and even bleeding in the lungs and nose.
Signs of mould in the home
If you have a full-blown mould problem, chances are you’ll know about it, but here are some early warning signs to keep top of mind to identify if your home may be at risk.