How To Clean Black Mold Off Wood Windows

How to Prevent Mold

Mold on window sills is unsightly, but it can also be hazardous to your health. Therefore, knowing how to prevent mold on windows is extremely important. The good news is, if caught early, mold can be removed from your window before it causes environmental damage. Find out the best ways to remove mold from window sills, then learn how to prevent it entirely.

How to Remove Mold from Wood Window Frames

Time is of the essence when it comes to removing mold from window sills. If you ignore the problem, hoping it will go away on its own, the mold will spread.

To clean mold, you will need bleach, dish soap, water, a plastic scraper or brush, dry cloth, and safety supplies. We recommend that you wear cleaning gloves, eye goggles, and a protective face mask when tackling mold, so you don't inhale any of the mold spores.

Mist the mold with a spray bottle before you start to clean the window sills. The light coating of water weighs down the mold spores, so they don't release into the air when you start scraping.

Mix dish soap with water and apply the soapy solution to the window sills. The soap and heat will start to loosen the mold. The mold should start to come up, but if it doesn't, take your plastic brush or scraper and apply pressure.

Follow this with a bleach solution, using 1/2 cup of bleach per gallon of water. Apply the bleach solution to the window, let it sit for 15 minutes, then rinse the window sills with water.

Once the windows have been cleaned, dry the sills thoroughly or open the window and allow the sills to air dry.

How to Prevent Mold on Window Sills

Removing mold from your window sills is only half the battle. To succeed, you will need to prevent mold from growing on the windows by removing moisture from your home. Ventilation helps you here by keeping air flowing through your home.

If you're wondering how to safely remove mold from window sills, start by replacing old ventilation fans in home bathrooms. Newer models may be more efficient. Open windows throughout the home so air can flow. Fresh air can also improve the air quality in your home, removing some of those musty odours.

The two main causes of mold on windows are condensation and leaks. By removing condensation from your home, you can decrease moisture — a key component for how to prevent mold on window sills. Use moisture eliminators or purchase a dehumidifier to remove moisture from the air. Improve your home's ventilation system so moisture is carried away from the home and vented through the attic. During summer, keep the air conditioning above 21C (70F).

If your windows are leaky, it may be better to replace your windows rather than to repair them or continue battling mold in your home.