It s easier to add backer board than to try to cut the drywall over studs as you learn how to fix drywall.
Patching drywall around vents.
Air conditioning ducts that terminate at a wall or ceiling inside a room have tabs for attaching grills also known as registers or trim.
How to patch drywall around a bath fan.
It s fine to fill screw holes and other small wall dings with patching compound but for dime size and larger drywall repairs and for holes that are deep it s best to use a joint compound that sets up by a chemical reaction these are available in powder form with setting times ranging from five to 90 minutes.
Learn how to quickly and effectively fix horribly cut or damaged drywall around electrical boxes.
Then cut out the section with a drywall saw or utility knife.
Use a drywall knife to cover the patch with spackling compound or lightweight joint compound in a crisscross pattern feathering the edges so it blends with the wall.
Or make a shallow cut by repeatedly scoring the line with a sharp utility knife to begin a hole patch.
How to drywall around air conditioning ducts.
If so work carefully around them with a drywall or keyhole saw.
Run strips of self adhesive fiberglass drywall tape around the patch centering the tape on the seams.
Use a 6 inch drywall taping knife to spread drywall joint compound across the patch and tape to create a smooth flat surface.