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Since the mid-1980s, I've installed well over 100 custom sunrooms in Vermont. I like to build rooms that are versatile — where plants can be grown and where energy efficiency is good enough for affordable four-season use. While each sunroom I build is custom sized and finished, all of them take advantage of the same durable, reliable aluminum glazing system I've developed. My most popular design is a basic shed addition, using a glulam frame that hangs on a ledger attached to a house wall. These shed sunrooms typically have fixed glass that runs up most of the vertical front wall and a third to half of the roof. This is a compromise between a