How to insulate a bedroom wall that is below grade (below windows)

Question

It is the low floor of a split level.In a partially finished basement 20ft/20ft, and under the carport with acoustic tile   ceiling and 2 hvac ducts.

Oliva · Answer

Cork is good as acoustical insulator, in ceiling. Depending on your winter temps, use insulation with necessary R value, or higher. If you have condensation in the lower level, you'll have to address that, first. If hvac ducts are at ceiling level and you have 8' or higher ceiling, install a good ceiling fan with reversible blades and 16° pitch to move more air. You can also add magnetic vent covers to direct heat down, in winter.

Jerry · Answer

Same in my home. I used 1' styrofoam installed with construction adhesive. (I should have used 1.5') Don't skimp on the adhesive. Then I reinstalled the paneling using the same glue/adhesive. The hard part was trimming around the windows and any areas where the foam edges showed. Just come up with a molding or other idea that works. I didn't have electrical outlets to worry about on the exterior wall so that wasn't an issue.

How to insulate a bedroom wall that is below grade (below windows)

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How to insulate a bedroom wall that is below grade (below windows)

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