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Prepare the Wall Surface — Prepare Wall Surface

Beginner3 mins

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How to Install Picture Frame Molding on a Stair Wall · Step 3 of 6

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Inspect the wall for any holes, cracks, or imperfections. Use a spackle knife to apply wall filler or spackle into these areas, smoothing it out evenly. Allow the filler to dry completely as per manufacturer instructions. Once dry, put on a dust mask for safety. Gently sand the patched areas, and any other rough spots on the wall, using a sanding block or sandpaper until the surface is smooth and even. After sanding, use a brush or a damp cloth to thoroughly brush off all sanding dust from the wall, moving from top to bottom. Finally, prepare a solution of sugar soap (or a mild all-purpose cleaner) in a bucket of water. Dip a sponge into the solution, wring it out so it's damp but not dripping, and wipe down the entire wall to remove any grime, grease, or residual dust. Allow the wall to dry completely before proceeding.

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