https://www.homebuildingandrepairs.com/outdoors/index.html Visit our website today to learn more about home repairs, remodeling and design. In this video I will provide you with a few things to consider before building a patio roof cover under your roof overhang that will attach to you building with a ledger. Most standard house framing won't have enough headroom clearance and could be blocking windows and doors it wall aren't taller than eight feet.