Exterior view of this Boone sunroom. Or, call it a 4-season room if you prefer. Adjacent deck provides cozy seating area and space for grilling. See more about this project in the Jan/Feb 2012 edition of Welcome Home Des Moines magazine. Archadeck of Central Iowa, Des Moines area’s premier designer and builder of porches, rooms, decks, patios…and more…for outdoor living.