Most of your premium architectural windows are some type of clad wood product.  The exterior cladding in Vinyl, Aluminum, Fibrex or Fiberglass protects your home from the elements, while the strength, insulation, and beauty of the wood is featured inside the home.  Exteriors can be had in a variety of colors, while the inside can be painted or stained and had in a variety of species. Andersen windows builds a variety of clad wood windows and has been making windows in America for over 100 years.