The insulation is a proprietary material that does not burn or support combustion.  It also does not produce any harmful gas emissions and is not toxic.  It can actually be used like vermiculite in gardens to loosen hard soil. The insulation does not absorb moisture or water, even if directly submersed in it.  It offers an Insulation value at R5.3 per inch of insulation.  As a system it will outperform most wall structures particularly fiberglass batt insulation and other.