Mould and Air Quality (LTB): Difference between revisions
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Revision as of 14:53, 2 March 2020
Residential Indoor Air Quality Guideline: Moulds
Causes of mould growth
Mould growth in a house requires the presence of nutrients, an adequate temperature, and a sufficient amount of water. The first two requirements being usually met in indoor environments, fungal growth usually results from a moisture problem (CMHC 2003). Major causes of mould growth are:
- condensation of moisture on surfaces due to excessive humidity, lack of ventilation, or low temperature;
- water leakage, e.g. from a broken pipe;
- infiltration of water from the outside, e.g. from a leaking roof or a cracked basement; and
- a flood.
