insulation

eristys

eristysaine The act of insulating, or the state of being insulated; detachment from other objects; isolation.
{{quote-magazine|date=2013-03
Any of a variety of materials designed to reduce the flow of heat, either from or into a building.
puhekieltä The act of separating a body from others by nonconductors, so as to prevent the transfer of electricity, heat, or sound
puhekieltä The state of a body so separated.
puhekieltä a medium in which it is possible to maintain an electrical field with little supply of energy from additional sources.