Black Mold On Windows: What To Do?

Discover the dangers of black mold on windows and how to get rid of it

Black mold grows on window sills, typically during winter. It is unattractive to look at and jeopardizes the integrity of your windows and your family’s health. Therefore, it is crucial to remove the black mold before it gets a chance to eat the window frame. Read this article to discover the causes of black mold and natural ways to get rid of it.

Causes Of Black Mold Growth On Window Sills

  • Several factors can trigger the growth of black mold on your windows. However, moisture is the primary culprit. Either from leaks or condensation, moisture is bad news for your windows. Bathroom and kitchen windows are more susceptible to mold growth.

Therefore, it is crucial to pay attention to the source of moisture and fix it before mold begins to grow. Familiar sources of moisture that lead to mold growth on windows are:

  • Faulty heating system
  • Leaking roof and pipes
  • Steam from shower or cooking
  • Improper airflow
  • Poor ventilation system

Things To Consider Before Removing Black Mold

  • Black mold spores release quickly during cleaning and harm your skin and eyes. In addition, they can damage your lungs and nervous system. Therefore, wear protective clothing before you start cleaning. Moreover, safety goggles, rubber gloves, and a face mask can prevent you from black mold.

Use A Correct Product

  • Low-quality cleaning products remove the mold without killing its roots. Unfortunately, these products are useless since the mold will grow back in a few days. The best way to prevent mold from growing back is by using suitable products.

Home Remedies For Treating Mold

Different ways can be used for treating mold growth. A few of them are discussed below:


  • Vinegar is effective in killing mold that grows around window sills. Since vinegar is acidic, it kills about 80% of mold. Fill a spray bottle with white vinegar and spray the undiluted vinegar on the moldy window sills.

Leave it for about an hour to break down the mold growth. Next, use a brush and warm water to scrub off the mold residues from your window. Once done, wipe the window with a dry cloth and allow it to dry.

Baking Soda

  • Baking soda is another practical household item for killing mold. Mix vinegar and mold to make a paste for challenging species like black mold. Use one part vinegar for two parts of baking soda to form a smooth paste.

Apply this paste onto the moldy area with a brush and let it dry. Once the paste is dry, brush it off with warm water. Clean with a dry cloth and leave the window open to let it dry.

Tea Tree Oil

  • Tea tree oil is a natural mold cleaner that is harsh on mold. It is perfect for killing and removing mold from the roots. In addition, tea tree oil prevents mold from growing back. Mix ten drops of tea tree oil in half glass of water and pour the solution into a spray bottle. Next, shake well and spray generously on the mold. Leave it for an hour before wiping it with a dry cloth.

Replacing Your Window

  • black mold on windowsCleaning cannot save your window if mold and moisture have destroyed your window frame. The best solution, in this case, is window replacement. Remove the damaged window before mold can spread to other areas of your house, leading to expensive repairs. You can choose from a wide range of high-quality, energy-efficient replacement windows.

For careful installation of all sorts of windows by pros, contact Simple Home Improvements. We are a professional team that provides window and door installation services in Totowa, NJ. Our team is well-equipped to handle all your issues.

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