“Mudding,” the process of applying multiple thin coats of drywall compound to the joints and screw indentations in newly hung drywall, sounds messy, and it is. When done correctly, the result ...

Place the new drywall and fasten it with drywall screws to the studs. Apply drywall mud/compound along the joints and allow to dry. Once dry use a sander or sandpaper to smooth the joint area.

After the compound (drywall mud) dries, sand the area until smooth and reapply drywall mud feathering out further. Repeat this process. NOTE: Do not prime and paint until you're completely satisfied!

If the drywall damage is limited to a few small nail holes, the damage can likely be remedied with some spackle (also called mud), a putty knife and a sanding block. If the damage is more sizable ...