That's for old houses; more recent construction hasn't been so careful, especially during the years when cheap and abundant energy was the prevailing paradigm. Special mention to the buildings and houses built during the 60s and 70s that should be just demolished... Europeans think a hundred miles is a long way. Americans think a hundred years is a long time.
Special mention to the buildings and houses built during the 60s and 70s that should be just demolished...
In my experience they do that all by themselves.
