I have French doors to my patio. A pebble shot from my string trimmer and shattered the outer pane of glass only. The back pane is fine. Do I have to buy both panes, or can I just fix the one that is broken?

– Gary

Hi Gary,

When one pane of insulated glass breaks, you have to replace the entire piece, since the space between the panes is filled with an inert gas (usually argon) then sealed to keep moisture from forming between the panes.

You can order insulated replacement glass from a glass supply store or the company that made your window or door. You will need to supply the dimensions (including thickness) of the glass, as well as any special coatings—such as low-E—that were on it.

If there is a name and number of the manufacturer on the glass, include that information as well. Glass doors require tempered glass, which is much stronger than regular glass.

Good luck with your project,


Further Information:

Tips for replacing broken window pane

Signs that Insulated Windows Require Replacement

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Danny Lipford

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Danny Lipford is a home improvement expert and television personality who started his remodeling business, Lipford Construction, at the age of 21 in Mobile, Alabama. He gained national recognition as the host of the nationally syndicated television show, Today's Homeowner with Danny Lipford, which started as a small cable show in Mobile. Danny's expertise in home improvement has also led him to be a contributor to popular magazines and websites and the go-to source for advice on everything related to the home. He has made over 200 national television appearances and served as the home improvement expert for CBS's The Early Show and The Weather Channel for over a decade. Danny is also the founder of 3 Echoes Content Studio, TodaysHomeowner.com, and Checking In With Chelsea, a décor and lifestyle blog.

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