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Do plexiglass storms cloud or discolor over time?

Posted by gordon29 (My Page) on
Sat, Jan 2, 10 at 13:52

I am replacing traditional storm windows in our 1920s home, and our carpenter and a couple other folks have recommended plexiglass. However, a few glass stores I've called (which sell both) tell me that plexiglass will discolor and/or get cloudy over time (as in a few years) when exposed to direct sunlight.

Does anyone have any knowledge of/experience with this?



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RE: Do plexiglass storms cloud or discolor over time?


Plexiglass is an acrylic plastic. Plastics yellow when exposed to ultraviolet light unless protected by using a UV inhibitor in the manufactue of the product, however not all acrylics contain UV protection. You can't tell just from looking at it, you need information from the manufacturer.

Even with protection, plastics may evntually visually degrade when exposed to weathering because they scrath easier than glass and even simple cleaning may eventually cause the material to become hazy due to scratches from windborne sand and dust as well as cleaning them.

Personally, I would use glass.

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