What is the tempered label on glass at windows and sliding glass doors called?

Wednesday, October 24, 2018

It is officially called a “glass monogram,” but usually referred to in the construction trades as the “bug.” You can learn more about how to recognize tempered glass, decoding the bug, and where tempered glass is required at our blog posts How can I tell if a window or glass door is safety glass? and Where is safety/tempered glass required for the windows of a house?

    Other blog posts on related subjects are What are the common problems you find inspecting windows?, What do those numbers on the manufacturer's stickers in new windows mean?, Why is pressure washing double pane windows an expensive mistake?, and What is "low-E" window glass?

    Visit our DOORS AND WINDOWS page for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles. 




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