I came across this site with great interest as we are working through a purchase of an old home (built 1893). I hope it is appropriate to pose a few questions. The home is in the western Maryland area. Does anyone else have additional thoughts or references to other articles as it relates to spray foam and inspects? The home in question has a cellar and the WDI report notes (and it's rather obvious) past termite activity. There were no "visible" signs of active termite damage. While the details are not known, there is evidence of past treatment (e.g. bored holes in a porch slab, etc). We had considered ccSPF on between the rafters but I was concerned that it could mask issues. At the same time, it seems that an inspector could find the tubes going up to the foam since the foam would not full fill the joists (given depth of foam and joists). Also, I know this is a million dollar question, how do inspectors deal with situations where termite damage is found but the extents of the damage can't be determined without invasive measures? For example, this house has an original beam sitting on the staked stone foundation that tucked back far enough that it's near impossible to see beyond an obvious area of damage. What are logical next steps in these situations? I know each situation is different. Is it purely a judgement call when it comes to gauging the true extent of damage or making the decision to probe further (e.g. open walls)? Another hard question, from my experience, it seems the WDI isn't too much more than a walk through of the house (attic, basement, etc). It seems if there is any insulation, a shelf, etc, it's noted as an obstruction. I had visions of the inspector checking each accessible sill box in the cellar, probing each joist, probing moulding or walls for softness, etc. In this case, it's almost as if the moment they saw a few areas with damage it is assumed treatment is necessary (which I understand) and there is no point doing further investigation. How are these situations typically handled? It may be it's too general to comment on. I was just curious to get some thoughts. We like the house. The home inspector feels the termite inspector is correct that the damage is from the past and there is no sign of active termites. He also agrees treatment is advisable (and required for the loan). But to the question of "does the damage go further", it seems that can't easily be answered. I tried to ask more from our termite inspector. Again, I hope my questions aren't out of line or off topic. Thank you.