How To Clean a White Window Sill: No Yellow Stains and Glue Residue

Simple folk remedies will help to clean the window sill from old yellow stains. White window sills eventually become covered in yellow and sticky stains, grease marks, and glue residue. With some simple home remedies, the windowsill can regain its new look and white color.

How to Clean a Plastic Window Sill with a Dishwashing Detergent

Detergent is great for removing grease, dirt, and yellow stains from the window sill, glue, and soil residue, as well as circles from flower pots. You will need about a quarter of a bottle of window sill cleaner, along with a large, medium-hard brush.

Apply dishwashing detergent generously to the window sill and spread with a wet sponge to create a lot of foam. Allow setting for 10 minutes. Then use a brush to wipe the entire surface of the window sill. If the window sill is wood, rub along the fibers. Then use a sponge to wipe the window sill clean. After 2-3 such treatments, the surface will be spotlessly clean.

How to clean a white window sill with hydrogen peroxide

Hydrogen peroxide is effective at removing any type of stain from a white window sill, and it is especially good at removing grease. Apply the peroxide to a sponge and wipe the windowsill thoroughly. Leave it on for 2-3 minutes and rinse with a clean sponge. After cleaning, be sure to ventilate the room.

How to Clean a Plastic Window Sill from Stains with Baking Soda

Baking soda removes grease and yellow stains, cleans glue and building material residue, and brightens an old window sill. There are two ways to clean a window sill with baking soda.

Method one: Sprinkle baking soda over the window sill and wipe the top with a cloth soaked in vinegar. Allow the foamed solution to set for 30 minutes and then rinse the windowsill with a clean sponge.

Second method: Mix baking soda and laundry detergent together equally. Apply the mixture to a damp window sill and let it sit for 2 hours. Then wipe the window sill with a brush.

How to clean fungus from a window sill with boric acid

If mold or fungus appeared on the windowsill – boric acid will help to remove them. Mix in equal parts vinegar and boric acid, and then dilute this mixture in water at a ratio of 1:5. Wipe the dirty areas with this solution.

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Written by Emma Miller

I am a registered dietitian nutritionist and own a private nutrition practice, where I provide one-on-one nutritional counseling to patients. I specialize in chronic disease prevention/ management, vegan/ vegetarian nutrition, pre-natal/ postpartum nutrition, wellness coaching, medical nutrition therapy, and weight management.

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