Yes, the fins can be removed.
Yes, this can we used for new Construction.
The is U-factor .3 and the is SHGC .22.
You can order replacement glass or sash at your local Home Depot.
Hi, yes you can custom order the exact size. It will cost you a lot of money. I ended up just cutting 4 windows to fit the size. The last one I framed in and all in all I save a bunch of money by doing the work myself.
No, in fact, If you paint them, it voids the warranty. However Ply Gem does also make the same size windows with aluminum frames, for the same price and aluminum can be painted with some types of paint. Also, i have seen these windows at the store and the vinyl windows are offered in about 4 other different colors. White, a beige sort of color, a brown and I think one more.
This window is double pane windows that are high quality!
Yes there available for any size window! Easy install! High quality!
That is not listed in the specifications. They are Energy Star qualified with a U factor of .30 and a solar heat gain coefficient of .22.