Andersen Windows Doors, Bayport, Minnesota. , likes , talking about this. Welcome to the official Andersen Windows Facebook page. Making a .Composite FiberglEntry Doors. Superior, virtually maintenance free durability for nearly any climate. Will not warp, rot, or split. Available in authentic woodgrain finishes such as oak, mahogany, alder and paint finish..Dave and I would like to welcome you to our website. As homeowners ourselves, we think we have a pretty good idea about what you’re lo.ng for and what your concerns are..Andersen Windows, the largest window and door manufacturer in North America, has energy efficient windows and doors for your Replacement, Home Re.ing, and New Construction projects..