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- Wed Sep 16, 2009 5:11 pm
- Forum: Ask Our Pro's a Question
- Topic: OKNA Windows, U-Factor .15
- Replies: 67
- Views: 43536
Re: OKNA Windows, U-Factor .15
I am planning on purchasing fiberglass windows for new construction. I have recently come across OKNA windows and am wondering if anyone can give me the advantages/disadvantages of this type of window compared to fiberglass. Does anyone know if you ever need to paint the composite frames? I am looki...
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