Had a similar issue at my old place—brand new windows, but the installer didn't seal one properly and it whistled like crazy. Fibrex seems solid from ...

Fiberglass sounds decent, but how easy is it to DIY install compared to aluminum? I've done aluminum frames before, and they're pretty straightforward...

Did you notice any difference in drafts right away, or is it too soon to tell? I've heard mixed things about Renewal by Andersen—some swear by them, o...