From Stair Riser Painting · Step 4 of 6 · Video by The Home Depot

Showing 6:08–6:28 of the source video.
Once the primer has completely dried, lightly sand away any remaining bumps, ridges, or surface imperfections that may have appeared after priming. Use very fine 220-grit sandpaper, folded into quarters, or a sanding sponge for this task. As the sandpaper section gets covered with paint dust, switch to an unused section or a fresh piece. After sanding, wipe the walls clean with a damp towel or sponge to remove all dust, and allow them to dry completely before applying the final coat of paint.
Goal: Ensure a perfectly smooth surface after priming for optimal paint adhesion and finish.
This project provides a detailed guide on how to prepare a room for painting, including surface preparation, masking with painter's tape, protecting floors and furniture, and then applying primer and paint using proper techniques to achieve professional-looking results. Emphasizes the importance of thorough preparation to avoid common mistakes and ensure a high-quality finish.
Once the primer is completely dry, lightly sand the risers with very fine-grit sandpaper (220 grit or higher). This will knock down any subtle imperfections or raised grain. Wipe away all dust with a tack cloth.
A high-level outline for painting stair risers white, covering preparation, priming, painting, and finishing.
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