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Problem

What grit for deck railings before stain?

Deck railings can feel rough or absorb stain unevenly.

wood dry sanding coarse grit medium grit
Answer

For deck railings before stain, use 80 or 100 on rough areas, then 120 or 150 before staining.

Why it happens
Outdoor wood fibers weather unevenly and need smoothing before stain.
Recommended grit
Use 80 or 100 for weathered rough areas, then 120 or 150 before stain.
Wet or dry
Dry.
Success check
The railing feels smooth enough for hand contact and has an even prep pattern.

What to do

  1. Let the railing dry before sanding.
  2. Use 80 or 100 on rough weathered areas.
  3. Refine with 120 or 150.
  4. Remove dust before stain.
Avoid: Do not sand damp deck wood.

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