What is INSULATION?

1 Any means for confining as far as possible a transmissible phenomenon eg electricity, heat, sound, vibration to a particular channel or location in order to obviate or minimize loss, damage, or annoyance. Any material also insulant or means suitable for such a purpose in given conditions, eg dry air suitably enclosed, polystyrene and polyurethane foam slab, glass fibre, rubber, porcelain, mica, asbestos, hydrated magnesium carbonate, cork, kapok, crumpled aluminium foil. Insu


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