Windows

Ted in NE-OH · Nov 28, 2014

I have some Anderson Casement Windows. I used a strong
detergent to wash the house and it ran on the the
window glass and has permanently streaked or etched
the low-e coating. Any way the fix that?

JML755 · Nov 28, 2014

I'd call Andersen

Jim in rush co · Nov 28, 2014

I shot you an email. Also the low-e is on inside between the glass. Jim

Billy NY · Nov 28, 2014

If its insulated glass, there are surfaces 1,2,3,4, (2) for each pane or plate. Its hard to imagine how this occurs and or what you may have used that would do it, but glass can get stained somehow, like if you left a stack of it and allowed water to saturate it, trapping it and at some point it will stain.

Andersen may be able to help, its likely the glass is from one of the major manufacturers, Viracon, PPG or similar, I am not sure if they manufacture their own, but many commercial window manufacturers I have dealt with buy from these kinds of manufacturers.

May not be an answer, but could help you see if it can be corrected, worst case, you would have to re-glaze if the windows have a lot of service life in them, meaning they are not too old or near replacement.

JMS/.MN · Nov 28, 2014

Andersen should have a 20 year warranty. We"re waiting on some replacements for 17 yo windows.

Dusty MI · Nov 28, 2014

Two years ago this month we moved into this house that was built in 1994.
When we got home from Florida this last spring, the outside pane on the lower sash on a double hung window was broken. Nothing had hit it as the screen was not damaged. It is an Andersen.
I went into the local lumber yard that handles Andersen windows, to see about getting a replacement. They called me a few hours latter to have me e-mail a picture of the bottom right corner of the window, where their label is. It seems that that we had a new window coming under warranty.
After we got the new window, by UPS, and before I got the new on installed, the top sash broke just like the lower one. We heard a small crash during the night. Got in the morning to find it broken.
Andersen also replaced that one.

Dusty

Prawn Farmer · Nov 29, 2014

Might try a weak muratic acid solution or straight vinegar on the glass. The low-E coating should be on the inside glass surface.
I sold Andersen windows for almost 30 years and they were using glass supplied by Cardinal back then.I also sold some Marvin, Crestline and Pella and have toured the Andersen, Crestline and Pella factories. Back then Andersen was still using welded-glass and had a "replacement policy" rather than a written warranty. At the time I felt that Andersen had the most accurate published R and U values due to the way they tested and also gave customers more actual glass surface for their money but really didn't like having to order jambs separately on their casement and awning windows.

Windows

Ted in NE-OH

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JML755

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Jim in rush co

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Billy NY

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JMS/.MN

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Dusty MI

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Prawn Farmer

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