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More than a mere decorative finish, frosted glass also offers a practical benefit: Without blocking the passage of light, it adds privacy to windows or doors that would otherwise be transparent. While professionals frost glass through sandblasting, a do-it-yourself can achieve the same effect with one of three basic methods.
1. Spray It
Believe it or not, you can frost glass with a special type of spray paint (Rust-Oleum manufactures a popular version). Applying the finish is easy. After cleaning the glass throughly and taping off the window or door frame, apply a thin coat and let it dry. Apply additional coats, if you wish for great opacity. And if you get tired of the look, it’s no problem: The finish can be removed with a glass scraper. Being that the spray paint comes at a low cost, it’s worth a shot if you want to frost glass in your home.
2. Cover It
You can also frost glass by means of a window film. It’s actually non-adhesive and works via static cling. That means it’s forgiving: If you don’t get the application precisely right on the first try, you can start over pretty easily. First, thoroughly wash the surface to be frosted, using glass cleaner and a lint-free cloth. Next, combine water with a couple drops of dish detergent in a spray bottle. Then proceed to lightly spritz the glass before applying the window film. As you go, remove air bubbles with a squeegee.
3. Etch It
A permanently frosted effect may be achieved through the use of a glass-etching cream. Such products are available online and in local craft stores. If you choose to go this route, take care in applying the cream and closely follow the instructions printed on the package. Basically, the process involves masking off sensitive areas and using a bristled brush to scrub in the cream. After letting the product sit for a period of time, you’ll rinse it off with warm water and then suddenly—and somewhat magically—there will be etched glass where there was formerly a traditional clear pane.