Is painted drywall a vapor barrier?

Is painted drywall a vapor barrier? However, research shows that standard painted drywall is commonly vapor permeable (greater than 10 perms, up to 40 perms) – a benefit during the cooling season, but a potential concern during the heating season.

However, research shows that standard painted drywall is commonly vapor permeable (greater than 10 perms, up to 40 perms) – a benefit during the cooling season, but a potential concern during the heating season.