B2nounenvironmenthome
US/ˌɪn.səˈleɪ.ʃən/
UK/ˌɪn.sjʊˈleɪ.ʃən/
material that stops heat, cold or sound from passing through walls, roofs or pipes
In context
Good insulation in the roof can cut your heating bills by a third.
The government offers grants to help families install attic insulation.
The wires are covered with plastic insulation for safety.
Words that go with insulation
adjective + noun
- thermal insulationThermal insulation keeps buildings warm in winter.
verb + noun
- install insulationThey installed insulation in the walls last year.
noun + noun
- wall insulationWall insulation can cut energy use noticeably.
- roof insulationPoor roof insulation lets heat escape.
- insulation materialWool is a natural insulation material.
Common mistakes
Incorrect:
insulationsCorrect: insulation
Incorrect:
isolation of the houseCorrect: insulation of the house