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Problem

What grit to sand wood filler flush?

Wood filler can stay raised or show scratches after sanding.

wood paint dry sanding scratches
Answer

To sand wood filler flush, level with 120 or 180, then blend with 220.

Why it happens
Filler often cuts differently than surrounding wood, so it needs leveling and blending.
Recommended grit
Use 120 or 180 to level filler, then 220 before finish.
Wet or dry
Dry.
Success check
The filler is flush and blends smoothly with the surrounding wood.

What to do

  1. Let filler cure fully.
  2. Level raised filler with 120 or 180.
  3. Blend with 220.
  4. Remove dust before paint, stain, or finish.
Avoid: Do not stain over filler without testing color match.

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