Bryan-
If you mean that the walls are 2 x 4 and framed already below the screens and you just want to replace the screens with windows, then you have a few options depending on your budget.
The most e ... read more
Your best bet will be white or red oak. In any kind of wood, I would recomend you to do the finish coat with BONA HIGH TRAFFIC, is the hardest finish yo can put on your floors and is water base.