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Mould is a natural part of the environment.
However, when mould grows inside your home, it can affect air quality.
For people with mould sensitivities, this can cause breathing problems, such as asthma, allergies and cold-like symptoms.
Mould grows in areas of excessive moisture from floods, …
… leaks in pipes, bathroom fixtures, appliances or roofs.
Or areas of high humidity, like …
… basements
… bathrooms
And kitchens
But, there are ways to prevent it. Make sure to clean and dry areas of water damage as soon as possible.
Keep an eye on humidity in your home: keep it at no more than 50% in summer …
… and 30 to 40% in winter.
Always use fans that vent outside for showers …
… and cooking.
If you discover mould, find and fix the underlying problem.
You can clean small areas of mould with dish soap and water.
You don’t need to use bleach.
For larger areas of mould or significant water damage you may want to call a professional.
For more information about mould and other environmental health hazards in the home visit HealthyCanadians.gc.ca/Hazardcheck or call.
A message from the Government of Canada.