What Type of Sandpaper Do You Use on Drywall? | Home Guides .
When you prepare a freshly taped wall for painting, you aren't actually . . procedure, but it can be tiring and dusty, and it isn't a job for a machine. . And since aluminum oxide wears more slowly and lasts longer, it's the best choice. . Coarser 120-grit paper is suitable for rough-sanding most projects, and a final once-over.