How to insulate garage ceiling with a room above

We moved in six months ago and the room above the garage is noticeably colder than the rest of the house. Is insulating the garage ceiling the answer? How is it done?

Asked by Jenny on 20th Jun 2026
Expert Trade Answers
"Hello and good afternoon Jenny
Use a mineral wool/stone wool packed tiight in between joists"
Answered on 20th Jun 2026 - Member since Mar 2025 - report
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