noun · neutral

insulation

UK/ˌɪnsjʊˈleɪʃən/US/ˌɪnsəˈleɪʃən/in·SU·la·tion

Band 7+speakingtask2

material used to prevent the transfer of heat, sound, or electricity; in buildings, it reduces heat loss

Examples

Improving insulation in older houses reduces heating costs significantly.

Wall insulation prevented most of the heat loss during the cold spell.

They used recycled cotton as loft insulation to improve sustainability.

Band 8 sentence

Retrofitting terraces with improved wall and loft insulation is one of the most cost‑effective measures to cut household emissions.

Collocations

  • thermal insulation
  • wall/roof insulation
  • improve insulation

Word family

insulate verbinsulator noun

Common mistakes

isolation of the houseinsulation of the house

insulation are importantinsulation is important

Say it for a higher band

5insulate6insulator7+insulation

Synonyms

cladding

Easily confused

isolation

After the flood the village experienced temporary isolation from nearby towns.

Related words

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In Environment & Climate

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