Drywall Taper how-to

How to Check Walls Under Raking Light

Raking light reveals flaws.

Updated By the Career Education Institute Curriculum Team
Quick answer

Raking light reveals flaws. In short: shine; look; mark, then complete the remaining steps below.

Step by step

  1. Shine a light along the wall.

  2. Look for shadows.

  3. Mark ridges and dips.

  4. Fix.

  5. Sand.

  6. Recheck.

Safety reminders for drywall tapers

  • Control dust
  • Use stilts carefully
  • Wear eye protection
  • Use ladders safely

Mud · Tape · Bazooka · Corner bead · Feathering · Skim coat: see the full drywall taper glossary.

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