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Question DetailsAsked on 8/24/2015

Are there any risks to replace glass for a large fixed window with a double pane glass thru’ a glass replacement co

I have a long deep scratch on my fixed window 68x56" above my main door. I want to have the glass replaced by a glass co. Is there any risk or negative to replace it or its better to leave it as such. The window is 13 years old. I believe the existing one is a double pane glazed low-e insulated glass with bars. For how long does the glass expected to last?

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1 Answer


Cost of course - probably in the ballpark $500-800 range for that size to replace the glazing unit - the glass panes and their surrounding metal frame. Possibly more if a window thype that is hard to change the glass in.

Most people would probably leave it unless this is a window you look out a lot, to avoid the replacement cost. Highly unlikely to break up and fall out even if a crack starts at the scratch - so you should have a lot of time to see it crack and decide to replace it. Windows with good scratches will last indefinitely until they are hit by something, have a major wind pressure on them, or occasionally will crack due to thermal or building movement stresses - but many last decades like that.

If you decide to leave it, one thing you can do is clean it well, then after FULLY dried fill the scratch with clear superglue, leat fully dry, then with a single-edged razor blade tilted at a low angle (about 20 degrees from being flat on the glass) gently saw back and forth through the glue with the blade contact edge at about a 45 degree angle to the scratch to remove the excess glue. Can make the scratch almost invisible.

Answered 4 years ago by LCD

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