"Air sealing a wall like this must be done with a vapor diffusive material or you will get spalled stone faces from sealing materials holding water. I recommend mixing hydrated lime with local clay soils, this is the way they have been sealed for…"
"I had a similar issue with an exposed historic brick wall in a condo I was testing. We couldn't find the leak with our eyes or thermal imaging becuase the leak was EVERYWHERE. We confirmed this when we taped a sheet of poly over the wall and…"
"It looks to me like the main leakage is from the intersection of stone and conventional framing, not necessarily directly through the wall.
In the second picture, is the stone i see that appears to be interior…"
"Are you saying that there's not a block or poured concrete wall in the middle of all that stone? That's almost inconceivable to me on modern construction, but I suppose it's possible... in which case you would have to grout the entire…"
"Dry stacked or is there mortar holding it together? If there are actual mortar joints you can see about getting a mason in there to fix all the B-holes - if it is dry stack then they will not like the fix (and no it does not involve mortar or…"
"At first, I thought that maybe there would be a core wall of CMU, and thus possibly a way to reach the interior top of the wall to find a way to block airflow from passing over it, and eliminating at least part of the problem; maybe even filling the…"
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