How to Clean Mold From Around Window Seals


Mold and mildew often form around window seals. Moisture and condensation on the inside of the window provide a breeding ground for the spores. Most mold discoloration is green or black, but it may also appear orange or red depending on the mold variety. Not only is the mold unattractive, it can also pose a health risk. All molds release spores, which cause allergy and asthma attacks in some people.

Things You'll Need

  • Spray bottle
  • Dish soap
  • Nylon brush
  • Towels
  • Chlorine bleach
  • Fill a spray bottle with warm water. Add three to four squirts of liquid dish soap. Use a soap that doesn't contain ammonia.

  • Spray the moldy seals with the soap mixture. The water wets the mold spores so they don't disperse into the air as you clean.

  • Scrub the seals with a stiff nylon brush. Rinse with clear water then scrub a second time. Mold and mildew leave stains, so the seals may remain discolored. Soak up the excess water with a sponge or cloth after the second rinse.

  • Mix 1/2 cup of chlorine bleach with 5 cups of water. Wipe down the seals with the bleach solution, which kills any remaining mold. The bleach also removes most staining. Dry completely with a clean towel.

Tips & Warnings

  • After cleaning the mold, check the seals and replace any that are cracked or broken. Moisture is the primary cause of mold.
  • Mold can be toxic or may cause an allergy attack. Wear long sleeves, gloves and a respirator mask while cleaning the window seals.

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