If you really want that passive poison effect, you need to get fiestaware: bright orange/yellow ceramics where the concentration of uranium is way higher and it’s used as the glaze!
It’s known to leech into acidic foods, such as tomato sauces with pasta.
I also feel like we can also add antique top hats to this; I recently found out that my grandfather’s childhood top hat, which I used to play with all the time growing up, contains mercury nitrate
My brother in Christ, how much do you know about housing? Renovations? Insulation? Mycology?
The standard that likely had not been followed was ensuring that the property was watertight to begin with.
The dry rot that is spreading through their house is effectively going to condemn it.
Your take of “hurdur, how hard could it be to do some insulation? you glue on the boards, mesh and render” is asinine at best.
Lots of these companies didn’t do their due diligence to ensure the suitability of the properties before installing.
Which then disproportionately effects people who are less likely to be able to afford repairs due to them already being on very limited lower incomes, the exact reason why they are getting this work done via these schemes.
I took wouldn’t want to trust the same company that put me into that position to be the one to rectify it.