Investing in a louvered roof is the single most powerful choice you can make to ensure you and your guests will enjoy your outdoor space in any weather. In a few seconds, you can transform your outdoor area and set the louvers from full sun to perfectly angled shade. On a rainy afternoon, the louvers can be closed completely to keep everyone dry. How effective are louvers at keeping out water, though? Our product research shows that not every louvered roof is created equal. In fact, while…