Four Causes of Household Mold
- Mold spores;
- A food source, e.g. wood, drywall, cotton;
- Darkness, mold can’t grow under ultraviolet light;
- Warmth, mold can’t grow in freezing temperatures;
- Moisture, e.g. water leaks, humidity; and
- Enough time - most molds can begin to grow in 24-48 hours if the conditions are right.
Moisture is really the key cause of mold growth since the other conditions on this list are always going to be present in homes. Here are four of the leading causes of mold in your home:
- Humidity causes mold and if you are using a humidifier in your home, keep the humidity below 55 percent, higher humidity levels start molds growing. If you live where humidity in the air is naturally high, like by the coast or another large body of water, like the Glenmore Reservoir, then mold growth in your home can also be a recurring problem.
- Drying clothes indoors on lines or stands is a common culprit when it comes to indoor humidity problems. If you leave clothes wet for a long period of time in your house mold can grow on them as well as on other surfaces due to the moisture wet clothes release into your home. Drying your clothes in a dryer instead of outside on the line releases a large amount of moisture into your home if the drier is not vented outside the house.·
- Leaks, from pipes or a roof, are common causes of mold growth. If you notice any signs of water damage on the ceiling, inside a wall, or any mold that has grown through then you probably have a leak somewhere. Condensation and poor ventilation allow moisture to collect and wet surfaces dry out more slowly, creating the right conditions for mold growth.·
- Basements, damp or flooded, or even water built up around your foundation can create an environment for mold to grow because basements are not usually well ventilated, taking days or even weeks to dry out. Since mold only needs a suitable surface to be wet for 24 hours before it can grow this means there is a huge risk of mold growth.