The editorialized HN title "now cheap enough to produce to be used as housing insulation" looks incorrect.  According to the article, this is only priced where it makes sense in some corner cases (and that is according to the company itself).<p><i>"It's still more expensive upfront but the costs have fallen to the point that it can make sense in certain cases, particularly masonry or curved walls, according to Aspen Aerogels."</i><p>And regardless, the company is projecting the performance in houses without long term evidence.