Doors serve a huge purpose in your home. Not only do they define the look, but they also contain sound and heat in the various rooms of the house. The quality of the interior or exterior door that you buy will definitely contribute to the amount of sound/heat that they keep in the room.
This ebook contains a plethora of information on doors. It will outline the various types of doors for your home, the areas/rooms that those types of doors are ideal for, and even goes over some specific door models to keep your eyes open for!