“The fire would remain on the outside of the thick containment walls, the concrete of which would act as thick insulation to protect the structural steel.”
“The north wall is filled with Styrofoam insulation to stop heat loss.”
“Their sudden exposure to this uncomfortable and sometimes dangerous way of life intensified their insulation from society at large.”
insulator
A substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator).
“So many voices of so various countries cannot be simply set aside: unless we wrap ourselves in an insolent insularism, we are bound at least to ask what is the meaning of their concurrent testimony.”