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After applying polyurethane to wood, the best techniques for sanding and smoothing the rough surface include using fine-grit sandpaper in a circular motion, sanding with the grain of the wood, and finishing with a final light sanding to achieve a smooth finish. Additionally, using a sanding block or sanding sponge can help to evenly distribute pressure and avoid over-sanding in one spot.

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4mo ago

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How can I fix yellowing polyurethane on my furniture or floors?

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