How to Inhibit the Growth of Mildew Around Windows

Mildew is everywhere. Homeowners often find colonies growing around their windows. A bit of soil plus moisture from humid conditions or a water leak provides an ideal place for it to thrive. While cleaning mildew is not difficult, as long as conditions remain the same, it will keep growing back. To inhibit the growth of mildew around windows, you'll have to take further action.

Sponge
Bleach
Water
Hygrometer
Mildew killer
Waterproofing spray or mildew-resistant paint (optional)
Caulk (optional)

Instructions

- 1
  Clean the moldy surface with a sponge and a solution of 1 cup of bleach per gallon of water. Wipe the area clean with a moist sponge until you no longer smell bleach. Rinse the sponge frequently as you wipe.
- 2
  Expose the area around the window to UV rays, if possible. Sunlight is nature's mildew killer.
- 3
  Reduce the humidity in the room. Mildew thrives in areas with 70 to 93 percent relative humidity in the air. Place a hygrometer in the room to measure humidity levels. If they're high, dry out the room by running an air conditioner, heater, fan or dehumidifier. Relative humidity levels below 70 percent inhibit most mold growth, while humidity levels below 62 percent inhibit all mold growth.
- 4
  Apply a topical mildew killer or repellent to spots of recurring mold. Most home and garden centers carry fungicides that can be sprayed onto a variety of surfaces. Follow the manufacturer's instructions for application rates and amounts. Waterproofing spray or mildew-resistant paint applied over the spot also inhibit mildew growth.

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