According to HGTV.com, adding a deck, patio, or porch to an existing home returns 90% of the money invested at the sale of the home. While an outdoor living space is something that homeowners desire, either for personal use or for potential resale value, the structural implications of adding a deck to a home constructed with floor trusses are significant. In order to prevent deck installation from becoming an issue, there are a few things components manufacturers (CMs) should be aware of if clients are interested in preemptively or retroactively installing a deck- ledger.