Scraping dried paint off window pane using razor blade glass scraper and putty knife.

Rather than applying masking tape to the glass when painting window sash, it’s easier to get a little paint on the glass and then clean it up later with a window scraper. Here’s how to go about it:

  1. Paint the sash and allow the paint to dry.
  2. Position a 6” wide putty knife against the sash and glass.
  3. Use a window scraper fitted with a sharp, single-edge razor blade to scrape any excess paint off the glass.

Watch this video to find out more.

Further Information

VIDEO TRANSCRIPT
Joe Truini: Painting neatly, especially around window panes, requires more patience than I have. And so I used to painstakingly mask off the glass with strips of tape every time I’d paint it. And you can imagine, you have a window this size and you’re doing two or three windows, a lot of time—you spend way more time masking the glass than actually painting the window.

So, I finally decided to forgo masking all together, and I would just paint it. If the paint got on the glass, it got on the glass. I wasn’t going to worry about it. What I’d learned is that it wound up being a much faster way to paint in the end. So, what I did here—here’s a couple I just started. You can see the paint kind of got splashed out onto the glass a little bit. I didn’t even worry about it.

I’m just going to take a knife—a 6-inch wide putty knife—and a window scraper. This is just, you can get this at any hardware store, and put in a nice straight blade razor. I’m just going to scrape the paint right off the glass. There, you see after just a few seconds how nice and clean that comes out.

Using this trick, you don’t have to worry about being such a sloppy painter, because in the end you save time and get a much neater job.

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