noun, noun or participle which takes 'suru', intransitive verb, noun which may take the genitive case particle 'no'
thermal insulation; heat insulation
Refers to the property or process of blocking heat transfer. Used both as a noun and in compounds like 断熱材 (insulating material). The する form is intransitive, meaning 'to be insulated' or 'to provide insulation'.
この家は断熱がしっかりしているので、冬でも暖かい。
This house is well insulated, so it stays warm even in winter.
壁に
We put insulation material in the walls to maintain the room temperature.