No, The insulation mustn't touch the drywall. Insulation is built to regulate temperature; if it touches the drywall, it will take in humidity from your air, which can result in mold and mildew growth. Batt and roll insulation (also known as blanket insulation) are built to in shape among joists https://kylercn4q4.blog-eye.com/32371546/top-latest-five-insulation-installation-urban-news