Yeah, foam doesn't really "soundproof" anything. Foam is normally for sound treatment, so you get less interference when making music for mixing / mastering / r

Yeah, foam doesn't really "soundproof" anything. Foam is normally for sound treatment, so you get less interference when making music for mixing / mastering / recording purposes. You need extra drywall / more insulation / sheetrock / mass loaded vinyl / wall decoupling to actually block sound.