I would like to add insulation to the attic of our 1947 bungalow style
home. There is a finished bedroom upstairs, and would like to add
blown cellolose to the ceiling. The exisiting insulation has a vapor
barrier, but is glued (??) to the 2x4 studs that make up the ceiling.
There is about a 4inch gap between the vapor barrier and the drywall.
Should I leave this as-is and blow the insulation on top, or should
the vapor barrier be in contact with the drywall? (this would require
pushing / tearing the paper away from the studs and push the