Common causes include:
Flood and sewer back-ups need special attention as they likely contain bacteria, viruses, or chemical hazards.
Mould growth may be black, brown, or green. It may have a fuzzy or patchy texture. Watch for signs like:
To prevent mould from growing indoors, you need to control indoor moisture. This is why it’s important for a building to be properly constructed and maintained.
Keep your home well ventilated and control humidity. Keep the relative humidity below 50% to keep mould from growing. You can buy a hygrometer at hardware stores to measure indoor relative humidity. Below are some ways you can control humidity.
Current as of: November 3, 2016
Author: Environmental Public Health, Alberta Health Services
This material is for information purposes only. It should not be used in place of medical advice, instruction, or treatment. If you have questions, talk with your doctor or appropriate healthcare provider. This information may be printed and distributed without permission for non-profit, education purposes. The content on this page may not be changed without consent of the author. Contact email@example.com.