When a crawl space has been encapsulated by the seller right before listing, how much does that change what the inspector can actually see?
A fresh encapsulation is not inherently suspicious, but the timing is worth paying attention to. Spray foam on the rim joists, a new vapor barrier sealed to the foundation walls, a dehumidifier still in the box: all of it limits what anyone can observe without cutting into the work. The inspector can note the installation date if the materials are labeled, check whether the drainage plane runs to a functional sump, and look for staining or tide lines on the block above the barrier line, but anything under that barrier is now an inference. The structural members, the subfloor sheathing condition, any prior pest damage or active moisture intrusion, all of it is either gone from view or visible only at the perimeter where the encapsulation meets the wall. What the report can say is narrower than it would have been two months before the listing went live. The seller may have done this for legitimate reasons, a wet spring and a moisture problem they fixed properly, and the encapsulation may be exactly what it looks like. The gap in the record is that you are taking that on faith. A thermal camera pass along the subfloor from above can sometimes show moisture variance that the encapsulation hid below, and a specialist with a moisture meter and a willingness to pull a section of barrier at the perimeter is the cleaner answer. What the inspector cannot tell you is whether the encapsulation replaced a disclosure. What did your inspector note about the installation date on the materials?
