Clean Mold From Window Sills

Using a mixture of bleach and warm water scour moldy window frames and sills with a stiff nylon brush.

Clean mold from window sills.

Take some dish washing detergent and water this will become your cleaning solution. Scrub the black mold off the windowsill with a nylon brush. While you are doing that empty your pail or get a new one and refill it with clean water. Scrub the window sill with your mold remover.

Make a mixture of one part bleach to three parts warm water. Use old rags to mop up as you scrub away mold. Scrub the windowsill clean with the damp cloth. Scrub the mold off of the windowsill using a non abrasive brush and frequently dip the brush in the bleach mixture.

Saturate a clean cloth in the mixture and wring out the excess liquid. This is just one property of tee tree oil and is something you should have on hand at all times. Although mold flourishes in a moist environment the spores will enter into the air as you re removing them so if you dampen the sills you re essentially gluing the existing spores down. Fill a bucket with 1 gallon warm water.

Use a clean rag to then wipe away the mold you loosened. Wipe away the scraped mold and excess water with a clean rag. Let the resulting scummy mix of mold and remover stand for a few minutes. Place undiluted white vinegar in a spray bottle and spray the sills and frames.

Keep an extra bucket of cleaning solution handy and use it to rinse your brush as you work. Let the vinegar sit for an hour before rinsing. Tea tree oil is the best treatment for killing and tackling mold on window sills unfortunately it is the most expensive option too. Allow the windowsill to dry.

Often sashes are affected so start at the top and work down. Add 1 cup borax to the water and mix thoroughly with a long handled spoon. Scrub the black spots and then spray generously again. Open a window or door so the mold spores can escape instead of staying locked in your home.

Dip the brush in the bleach mixture often.