• Mold is an important organism and part of the natural environment
  • It is estimated that molds and other fungi make up approximately 25%of the earth biomass
  • Mold can be harmful or helpful depending on where it grows 

How Mold Grows: 

  • There are 100,000 – 300,000 species world-wide, most of which have yet to be classified 
  • Mold need moisture to grow In ideal conditions mold can complete its growth process in as little as 24 to 48 hours
  • Little light and insufficient airflow is the perfect environment for mold to flourish


Examples of Mold: (click thumb nail to enlarge)


mold1 thumb  mold2 thumb mold3 thumb  mold4 thumb 

Life cycle of mold



Mold Colours & Odours: 

  • Mold comes in many colours
  • Some compounds produced by molds have strong smells (VOCs)
  • VOCs often have a strong or unpleasant odours
  • A musty or earthy smell suggests that mold is growing and should be investigated

Health Effects of Mold: 

  • Toxicosis 
  • Allergies
  • Irritation
  • Asthma
  • Chronic Sinusitis