Make your own window chalk to control the color and opacity of the chalk. Homemade window chalk can be made at a fraction of the cost of store-bought chalk.
Things You Will Need
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Obtain a paper or plastic disposable cup for each color of window chalk you want to make. Set the cups on a flat work surface.
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Crush a stick of sidewalk chalk in the color of your choice using a mortar and pestle. Mash the chalk into a thin dust.
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Measure the amount of chalk dust. You need to know the amount in order to mix the window chalk.
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Put the crushed chalk dust into a cup.
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Add dish washing liquid to the cup. Avoid dish detergents with bleach or other additives. Use twice as much dish washing liquid as chalk.
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Stir the mixture with a wooden tongue depressor until it is an even consistency. The chalk paint will be thick – about the same texture as paint made for walls. Add more detergent for a thinner or more transparent paint that allows more light in. Add less for a more opaque formula.
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Repeat the process for each color of chalk you have. Use a separate cup and tongue depressor for each color to avoid unintentional color mixing. Rinse your mortar, pestle, and measuring cup between each color.
The Drip Cap
- Whether you're announcing a special occasion or painting a mural, window chalk is a viable medium for decorating glass surfaces.
- Make your own window chalk to control the color and opacity of the chalk.
- Obtain a paper or plastic disposable cup for each color of window chalk you want to make.
- Add dish washing liquid to the cup.
- Add less for a more opaque formula.