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Would it have made more sense for them to claim it was a secret mixture of stuff that destroys concrete? If the engineers were obligated to check the structure because they didn’t know what was sprayed on it, that would have delayed construction, even if the liquid was pretty benign.
dousing them with a mixture of hydrogen peroxide, acetic acid, salt, and acrylic paint
Is there a civil engineer here who would know what degree of damage will this cause?
Not an engineer but vinegar (ascetic acid) at full strength applied early enough during curing could be a problem. If it’s the watered down stuff for home use and the concrete was already partially cured it wouldn’t do almost anything.
Cool. Fuck Microsoft