Generally, any material that slows down or retards the flow or transfer of heat. Building insulation types are classified according to form as loose-fill, flexible, rigid, reflective, and foamed-in-place. All types are rated according to their ability to resist heat flow, known as R-value. In electrical contracting, rubber, thermoplastic, or asbestos wire covering. The thickness of insulation varies with wire size and type of material, application or other code limitations.
Merriam-Webster Online Dictionary
insulation (noun)1.
a) the action of - insulating
b) the state of being - insulated
2.
material used in insulating
insulation (Wikipedia)
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Insulation may refer to:
- Insulation (list of insulation material)
- Thermal insulation, materials used to reduce the rate of heat transfer
- Building insulation, thermal insulation added to buildings for comfort and energy efficiency
- Insulated siding, home siding that includes rigid foam insulation
- Insulated glazing, a thermally insulating window construction
- Insulator (electricity), the use of material to resist the electric current and magnetism
- Soundproofing, also known as acoustic insulation, any means of reducing the intensity of sound
- Insulated pipe, widely used for district heating and hot water supply in Europe
- Insulated shipping container, a type of packaging used to ship temperature sensitive products
- Insulating link, a device used on the hook of a crane
- Insulation system, for wires used in generators, electric motors, transformers
- Insulated neighborhood, chromosomal loop structures