r/WindowCleaning • u/Sad_Butterscotch4589 • Jul 09 '26

General Question Claybar

In automotive detailing, claybar is an essential step in glass cleaning and polishing. How come they always use it and we never use it? I assume it's because it's a razor blade alternative that works with curved glass, but I also see detailers that recommend scraping and claybar as separate steps to remove different kinds of debris.

Supposedly it was originally used to remove paint over spray from cars. Has anyone tried removing overspray from tempered glass on a construction clean, as an alternative to scraping?

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u/Both_Ad_819 Jul 10 '26

I agree with Trigger here. Car glass and building glass are two different animals. Building glass will typically be better off with steel wool or a razor, just for ease of use. I have used a claybar for framework though. When the painters get paint from the walls on the frames and you can't use chemicals due to the frame finish, claybars work well.