No, the insulation mustn't touch the drywall. Insulation is created to regulate temperature; if it touches the drywall, it can soak up humidity with the air, which can cause mold and mildew expansion. Make use of a screwdriver or putty knife to drive little parts of unfaced insulation into gaps https://francisco8pzho.blogrenanda.com/38416525/top-latest-five-insulation-installation-urban-news