Plumber Helper how-to

How to Drill Through Joists Safely

Holes can weaken framing.

Updated By the Career Education Institute Curriculum Team
Quick answer

Holes can weaken framing. In short: check; drill; stay, then complete the remaining steps below.

Step by step

  1. Check code limits.

  2. Drill near the center.

  3. Stay away from edges.

  4. Use the right bit.

  5. Brace the drill.

  6. Check for wires.

Safety reminders for plumber helpers

  • Brace drills
  • Wear eye protection
  • Use torches carefully
  • Lift safely

Helper · Apprenticeship · Journeyman · Toolbox talk · PPE · PEX: see the full plumber helper glossary.

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