blanket or rigid board insulation, composed of glass fibers bound together with a binder, faced or unfaced, used to insulate roofs and walls.

plural of cellular glass insulation

electrical tape

plural of insulating tape

a material which conducts electrons only along its edges and surfaces, but does not conduct in its interior

plural of topological insulator

A supporter of insulationism.

plural of insulationist

Synonym of isolationism