[header] How to paint sheetrock [title] Remove all sanding debris. [substeps] Sanding down sheetrock produces thousands of small particles that must be removed before applying paint. Use a vacuum with a brush extension and go over the sheetrock until it is clean. 
You can also use a micro-fiber cloth and rub the sheetrock down to remove particles. [title] Cover all holes, nails, and screws with joint compound or masking tape.