The Roof Skylight is a system which allows you the enjoy natural light inside your house. It’s often referred as a sunrooms or a solarium, and it is the ideal way to spend time at home and feeling like outside. You don’t care if outside is wind, rain, snow or any other bad whether, you can relax into your beautiful area.

http://www.litrausa.com/Skylight_Sunrooms-3-enclosures.html