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How Do You Sand Drywall Like A Pro? [Solved]
Apply a push-pull motion when using a hand sander or pole sander, applying even pressure inside the seams and along nail and screw patterns. Use semi-coarse sandpaper of 100 of 120 grit to sand down the rough areas or dried compound, then continue with 150 grit to smooth the areas further.
Drywall sanding made easy
Sanding drywall
HOW TO SAND DRYWALL!!!
From
Taping and Mudding 101 (How to feather an edge)
Feathering an edge is they key to