fire insulation

While the majority of insulation in buildings is for thermal purposes, the term also applies to acoustic insulation, fire insulation, and impact insulation (e.g. for vibrations caused by industrial applications).

Greensulate is a renewable and biodegradable material that can be used for thermal insulation, fire insulation and also as a substitute for styrofoam and other plastics used in packaging and other applications.

An investigation by NIST concluded that the collapse was caused by a combination of damage to support columns and fire insulation from the aircraft impacts and the weakening of columns and floors by jet fuel ignited fires.