Need Interstate Composite user feedback

June 6, 2019

Our 3 level townhouse was built in 1999.
A bunch of the seals have popped on windows, and I physically injure myself trying to open or close windows. I have been doing a TON of research and am looking very closely at Interstate Composite windows.
They look like they are a strong contender but I have not been able to find user reviews from anyone who has had them installed.
I need to know how well they hold up as they age.
Thank you so much!

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