Answering this question depends on the amount of time and money you are willing to spend on a repair project. As a general rule, replacing entire floors or walls is undesirable compared to fixing isolated areas. The best way to determine whether or not a water damage repair is worth it is to try and determine the source of damage. If the water came from an easily-identifiable source, there are going to be less surprises as you go about repairs.
For instance, a faulty drain line can cause a lot of damage to floors and behind-appliance compartments. However, if you are able to repair the source and the water has not spread too far, then that is a relatively easy project. The same applies if you find that only one component was leaking, such as the seal around a particular window. As long as an entire roof or wall has not gone soft and rotted out, then the project can be more manageable. If you discover that support beams have become rotten and moldy and it has affected non-organic components like the Styrofoam under the floors, then you can anticipate a much more labor-intensive repair process.
Remember that before the salvage RV project is done, every single mold-infested component must be cleaned or removed, and all seals have to be replaced for waterproofing. This process will be covered more in-depth in part two of this post.
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