No, The insulation must not touch the drywall. Insulation is created to control temperature; if it touches the drywall, it's going to absorb humidity within the air, which may result in mildew and mildew growth. Use adhesive to your again with the hatch and push a piece of rigid foam https://waylon2pyho.izrablog.com/32809871/5-simple-statements-about-insulation-installation-explained