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Facts About Mold Growth

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What Makes Mold Grow

  • Presence of mold spores
  • Nutrient source available
  • Time and the right temperature and relative humidity
  • Water – The single most important factor in mold growth

How Long It Takes Mold To Grow

  • Spores can germinate within 12 hours
  • Colonies can begin to form within 24 hours
  • Spores can be produced within 48 to 72 hours
  • Some molds require very little moisture

Moisture Sources

  • Kitchen, bathroom, and plumbing leaks
  • Excessive watering, sprinkler overspray, and drainage problems
  • Floods, sewer back ups, and roof leaks
  • High water table and vapor transfer
  • Life style and condensation
  • Architectural design and construction defects
mold-spores

Materials That Help The Growth Of Mold

  • Drywall and latex paint
  • Wood, paper, and cardboard products
  • Clothing, wall coverings, and leather
  • Carpeting, backing materials, and furnishings
  • Dirt, soil, and dust residue on any surface
  • Furnace filters and lined ductwork

Signs Of Mold Infectivity

  • Visible mold growth
  • Water-stained walls, ceilings, carpet and tack strips
  • High humidity
  • Musty or bad odor
  • History of mold problems or previous water intrusion