FencePost: Rooftop decks can be gamechangers for home-owners short on yard space. They can also lift homeowners above the fence line for unrivaled views of the surrounding area. However, these decks can be complicated to build safely. For this reason, homeowners are encouraged to contact roofing and decking professionals to ensure their rooftop deck ideas are up to code, fully safe and within the bounds of city and HOA bylaws.