Mold Prevention

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Homeowners, landlords and even tenants all want to know the secret to preventing mold indoors—who wouldn’t?

Mold, especially the toxic kind, can compromise a building’s structural integrity and threaten the health of its occupants. That said, mold prevention is key.

There are three main ways to prevent mold:

  • Limiting moisture indoors
  • Properly ventilating your home and ensuring sufficient air flow
  • Cleaning on a regular basis
Mold Prevention Tips

Prevent mold by eliminating excess moisture

Controlling moisture in your home is essential. This means finding and fixing any sources of moisture, be it broken pipes, leaking toilets, cracked foundation or high humidity.

Relative humidity (RH) is a measure of the amount of moisture in the air relative to the maximum amount the air can hold at that temperature.

In a healthy home, relative humidity should be between 30% and 50%. Any higher and you probably have a moisture problem, not to mention, a mold problem.

Tips for controlling moisture

There are several things you can do every day to reduce moisture, prevent mold and improve indoor air quality:

  • Maintain indoor humidity levels (RH) between 30% and 50%.
  • Use dehumidifiers (or reduce your use of humidifiers).
  • Promptly repair leaky roofs, pipes, soffits and eavestroughs.
  • Position downspouts so that they drain away from the house.
  • Have any water damage attended to immediately by a professional.
  • Ensure that all kitchen and bathroom exhaust fans are clean and that they vent directly outside the home.
  • Clean carpets and furniture regularly. Better yet, remove moisture-trapping carpets and wallpaper from humid areas such as basements, bathrooms and kitchens.
  • Add mold inhibitors to paint or buy anti-fungal paint.
  • Ensure a properly functioning ventilation system and sufficient air flow to minimize moisture.

How air exchange and regular cleaning prevent mold

Indoor air contains a high concentration of contaminants, so it’s necessary you work to keep a sufficient air exchange rate with the outdoors.

An efficient ventilation system will reduce the concentration of contaminants and ensure a healthier, mold-free indoor environment for you, your family and guests.

In addition, getting rid of dirt, debris and other sediment and ensuring a clean home can significantly reduce your chances of developing a mold problem.

By cleaning regularly, you’re also more likely to notice signs of mold growth such as wall discoloration, black spots and water stains (see more below).

Common signs of mold

If you can, try to catch mold problems in their earliest stages by watching for the following signs:

  • Black spots on walls
  • Musty, earthy odours
  • Water stains
  • Discolouration of walls, floors or ceilings
  • Peeling, bubbling, or cracking of paint or wallpaper
  • Condensation on windows, walls or pipes
  • Rotting

If you need additional information and practical tips related to mold and how to prevent it, call the experts at Mold Busters. For nearly ten years, we’ve helped residential and commercial property owners across Ottawa and Montreal effectively fight mold.

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