If no wall studs are present behind the hole, install drywall repair clips or a piece of wood (like a furring strip or piece of scrap lumber) as backer boards. Secure the backer wood behind the ...

For larger repairs, a drywall saw, screws, repair clips, mesh drywall tape, and an extra pieces of drywall may also be necessary. Related: How Much Will It Cost to Epoxy Paint My Basement Floor?