Roof must be gable or hip roof at least three (3) in twelve (12) or greater pitch and covered with material that is residential in appearance, including, but not limited to, approved wood, asphalt composition or fiberglass shingles, but excluding corrugated aluminum, corrugated fiberglass or metal roofs. Except for permitted deck areas, all roof structures shall provide an eave projection of no less than six (6) inches and no greater than thirty (30) inches.