So you’ve just finished installing the last of a new window pane and you suddenly notice little smears of silicone sealant across the surface of the glass. Don’t go tearing out the window just yet. Removing silicone caulk or sealant from glass isn’t an impossible job. As a matter of fact, there are a couple of ways you can tackle this, um, sticky situation and get your glass looking clear again.
1) The Razor Blade
Scrape off as much as you can with a razor blade. I know, it sounds like I’m starting to repeat myself here. After all, this is more or less the same first step in removing silicone sealant, whether you’re trying to get it out of tile, fiberglass or stucco. Just about everything except clothes. Unless you’re a punk fashion icon, in which case, a razor blade to the clothes might be a new fashion statement.
Before you go scratching your glass to pieces, however, test out the blade on the glass, just to make sure that it doesn’t scratch the surface.
While scraping, try to hold the blade as close to the surface of the glass as possible, almost parallel, if you can get it. This shallow angle has the most cutting power and you’ll remove as much sealant as possible.
2) Apply a Dissolver
If you wanted to start a controversy in a room full of DIYers, this subject would be the one to do it. The dissolver is like the Sex Pistols of the DIY world – no one agrees. Suggestions range from window cleaner, to nail varnish to laquer thinner. I’d like to be able to give you a more definite answer, but it really depends on the type of glass you use in the window, as well as the silicone caulk.
Once you’ve removed as much of the silicone sealant as possible, give the glass a good rub with a clean cloth.
God Save the Clean!