Only some types of paint are suitable for painting on glass. Because glass is non-porous, it has a flat surface that nothing loves to adhere to. Many forms of paint will attach to the glass for a brief amount of time, but once dry, they will fade, chip, or peel straight off. Only water-based paints (which contain water as their main ingredient) can be painted onto glass.
There are two types of glass: clear and tinted. Clear glass is glass that is 100% transparent; it allows light to pass through it. Tinted glass is eminently visible, even at night; it allows some light to pass through it, but blocks out most of the blue spectrum so that objects look redder at night.
Paint doesn't stick to glass because there is no chemical attraction between the two materials. Instead, there is an interaction between the surface energy of the glass and the paint. The smoother the glass surface, the more likely it is that the two will come into contact. A fresh coat of paint will create a smooth surface. As the paint begins to wear away, so too will the gloss from the glass, making it easier for new paint to be applied.
If you want your glass painting to last, use a high-quality paint and sand the surface before starting. This will help the paint to stick to the glass permanently.
Paint should not be used. Paint on a smooth surface, such as glass, is likely to scratch off quickly unless you use a paint that is particularly designed to stick to glass. You may paint glass using an appropriate acrylic enamel paint, then protect it with a glass varnish. Acrylic paints can be found in art stores and craft stores. They are easy to work with and don't cost that much.
You can also use spray paint if you want a temporary decoration- but take care not to get any in the vents or under the hood!
Finally, you can always draw on a glass surface with a special marker. These are available at stationery stores and often have markers designed specifically for use on glass.
As long as you don't mind how it looks now (or maybe you do!), you can decorate your car with painters tape or glossier pads until it gets fixed up.
Is it possible to put regular paint over glass? No, not exactly. While you don't need to do anything special, stick to paints that are specifically developed for glass, since they are meant to cling to its smooth, non-porous surface. These paints can be expensive but will last much longer than ordinary paints.
Clear glass is plain glass that has no color added to it. Tinted glass has the color mixed with it as it's being made so that it can be used where a colored look is needed, such as in a window display. There are different techniques for painting on each type of glass. The first thing you should know if you're going to paint something on glass is what kind of glass it is.
If you plan to paint only onto clear glass, you won't need any special tools or materials. You can use regular artist's acrylics or watercolors and a brush will do fine. As long as you don't add any glitter or other reflective particles to your paint, it will work just like any other canvas. Of course, if you want your piece to look better after it's been hanging up for awhile, then you'll have to re-apply the paint from time to time.
Glassware is most likely the most hardest to spray paint. Because of its flat surface, it is more prone to runs, drips, and peeling. The smooth surface of glass provides nothing for the paint to grasp and hang onto. As a result, the paint quickly collects on itself, causing cracks, drips, and runs. The best way to spray paint glass is with a glass sprayer.
Other materials that are difficult to spray paint are metal and plastic. These items should not be sprayed near an open flame or heat source because they will burn very easily. They also cannot be painted with conventional painting methods; only special coating products can be used on them.
In conclusion, materials such as glass, metal, and plastic can be difficult to spray paint because there is no good way to get the paint to stick to them. Only specialty products designed specifically for these types of surfaces can solve this problem.
Glass and Tile Medium: While acrylic paint will work on glass, you must use a medium to assure that it stays on for several years. Using the medium allows the paint to stick to, or develop a "tooth" on, the non-porous glass, resulting in a long-lasting result. The type of medium used depends on how permanent you want the image to be. If you want the painting to come off later, apply a water-based enamel coat to protect the image.
Acrylic paint is easy to clean up: Just wash with soap and water when you're done. If you want the paint to go further, apply another thin layer over the original one. You can seal your acrylic paintings with a clear acrylic coating for added durability; or you can leave them as they are if you want them to look new forever!
Acrylic paint is cheap: Each tube usually lasts for many years, depending on how much you use it. Acrylic paints typically cost less than oil or watercolor paints, and can be found at any art store or discount department store. There are many different colors available that would be impossible to get with other types of paint.
Acrylic paint is easy to mix: Simply put all the ingredients into a bowl and stir until the paint gets the color you want. It's best if you let the mixture sit for a few minutes before using it so that the colors blend together properly.