How to Clean Mold on Windows

Things You'll Need

  • Mask
  • Goggles without vents
  • Rubber gloves
  • Spray bottle
  • Paper towels
  • Chlorine bleach
  • Water
  • HEPA Vacuum


  1. In a large container or bucket, mix one part chlorine bleach with three parts water. You can use this homemade solution to clean mold or a regular household cleaner. Do not mix bleach with any household cleaner. Pour the bleach solution into a spray bottle.

  2. Put on the rubber gloves, mask, and goggles before going near the mold. Mold can cause an allergic reaction.

  3. Spray the solution onto the mold starting at the top and working your way down. Use paper towels to clean up the mold after you spray the solution. Dispose of the paper towels immediately.

  4. Use a clean, damp paper towel to rinse the area after you have removed all mold, then spray the bleach solution on the area again. Let the solution sit for 15 minutes, then wipe the area clean with a clean, damp towel.

  5. Use a HEPA vacuum on the affected area once the area has dried. The HEPA will remove all remaining mold fragments. Vacuum the area slowly for at least one minute per square foot. Immediately dispose of the vacuum bag in the trash.

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