It used to be the most common approach in the United States, because it was so effective, reliable, safe, fire resistant, cheap, and insulating. Then we panice

It used to be the most common approach in the United States, because it was so effective, reliable, safe, fire resistant, cheap, and insulating. Then we paniced because it was asbestos. This is just an asbestos replacement. You put a shell outside it for impact resistance. This is a bunch of people loudly misunderstanding a simple evolution in a common technology.