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Question DetailsAsked on 5/4/2013

What can I do if the seal is broken in my window?

Bay window, Pella,

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2 Answers


Considering the cost to replace a Pella bay I would contact Pella and seek relief under their warranty. If you have original paperwork or can determine what the purchaser recieved perhaps you can get an insert for free from manufacter. If not under warranty Pella should be able to give you a list of authorized installing dealers to allow you to order a replacement insert ie the window with the frame that can be changed out with no damage and allow your unit to no longer have a fogged window. There are also recharging fanchisers that drill the insert and reinstall dry air and unfog the existing window. I am not sold on this concept. All thermopane windows have a design life and after atmospheric pressure changes for decades the inner core loses its dry air (or argon gas if newer) and the window fogs up. Have heard it said that 50 years is the max on the seal so even the latest and greatest eventually fail.

Jim Casper old window salesman and energy conservation guru


Answered 7 years ago by jccasper


JCCasper is on the money in what he said.

However, if you get no satisfaction from Pella and decide to just get it replaced, most window repair companies can do this fairly cheaply.

If you happened to have HeatMirror or similar plastic film in the window (so-called "film Triple Pane") a lot of glass replacement places will not longer remanufacture this - they tend to overheat in direct sun and blow out the hermetic seal, allowing moist air to get in and fog the window. In this case, they usually (assuming the frame has adequate depth) replace it with 3 actual panes of glass - a true triple pane with inert gas in both gaps.

Quote I got on one such job recently was $120 for 20 x 32 inch (glass size), plus $70 installation. This should give you a ballpark idea.

Answered 7 years ago by LCD

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