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Problem

What grit for wooden window sill before painting?

Window sills can show peeling paint, rough edges, or weathered wood before repainting.

wood paint primer dry sanding
Answer

For wooden window sills, use 120 or 180 on peeling areas, then 220 for final prep.

Why it happens
Old paint edges and rough wood need leveling before primer or paint.
Recommended grit
Use 120 or 180 on peeling areas, then 220 for final prep.
Wet or dry
Dry.
Success check
The sill is smooth, dry, and ready for primer.

What to do

  1. Remove loose paint first.
  2. Sand rough or peeling areas with 120 or 180.
  3. Refine with 220.
  4. Remove dust before primer or paint.
Avoid: Do not paint over loose paint or damp wood.

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