The hairline crack in your paint, the faint yellow halo on a sill, the window that sticks on humid days, all can look like ...
Besides their primary purpose -- holding the window glass in place -- your window frames help to insulate your home. Normally a long-life item which may last you 30 years or more, window frames can, ...
A: Try one frame and you will quickly find out. I have found it relatively easy.