Surface Prep

This guide explains how to sand painted wall to prep for primer. Use wet or dry technique as needed and move up grits once the scratch pattern is uniform.Why Sanding MattersSanding levels the surface and creates a consistent scratch pattern...

sanding painted wall for a smooth surface for repainting goes faster when you follow a repeatable grit progression. Level defects first, refine scratches second, then finish with a light final pass. The workflow below keeps the scratch pattern consistent on...