No, the insulation shouldn't contact the drywall. Insulation is created to control temperature; if it touches the drywall, it's going to absorb dampness from the air, which may result in mold and mildew development. Batt and roll insulation (also known as blanket insulation) are intended to suit between joists and https://messiah2rajq.azzablog.com/32398240/getting-my-insulation-installation-to-work