If you’ve ever dreamed of enjoying your outdoor space without worrying about bugs, rain, or extreme temperatures, a sunroom may be the perfect addition to your home. But what if you already have a deck or patio? Can it serve as the foundation for your new sunroom? Maybe, but it depends on several important factors. Before jumping into the project, it’s essential to understand what’s involved in building a sunroom on an existing structure. Can Your Current Deck or Patio Support a Sunroom? Not all patios or decks are equipped to carry the extra load that comes with a sunroom. The existing foundation must be carefully assessed before construction can begin. Craft-Bilt’s authorized Betterliving Sunrooms dealers will look at: