Drywall damage looks intimidating, but the repair scales by hole size and the technique is forgiving. The secret to an invisible patch is not speed, it is thin coats and patient sanding.
Small holes (nail and screw holes) Fill with lightweight spackle using a putty knife, let it dry, sand smooth, and paint. That is the whole job.
Medium holes (up to a few inches) Use a self-adhesive mesh patch. Stick it over the hole, then spread joint compound over it in a thin layer, feathering the edges outward. Let it dry, add a second wider coat, dry again, then sand and paint.
Large holes (fist-sized and up) This needs a drywall patch.
- Cut the damaged area into a clean square with a drywall saw.
- Cut a matching square of new drywall slightly larger, then trim the back so a paper lip overlaps the hole, or use a backer board behind the opening.
- Secure the patch, then tape the seams with paper or mesh tape.
- Apply three progressively wider, thinner coats of joint compound, sanding lightly between each.