MIG Fire Safety

Introduction: MIG Fire Safety

About: Autodesk Technology Center San Francisco is a hub for research, development, and demonstration of new manufacturing technologies and workflows relating to configurable microfactories.

There are many safety precautions to consider when welding.

If you are welding in the Pier 9 Workshop, the fire code requires a fire watch policy.

  • After welding, users must return the welding area twice to check for signs of fire.
    • Return to the area 30 minutes after welding.
    • Return again, 30 minutes later.

This policy is wise to follow in all welding studios, be sure that there are no flammable materials within your slag-zone.

Step 1: Protecting Yourself


  • Long sleeves and pants - natural fibers or leather
  • Leather shoes
  • Long gauntlet leather gloves
  • Welding hood - shade 10 or darker


UV exposure will cause painful burns, similar to a sunburn.

  • Cover all skin from arc flash, at all times.
  • A full welding hood, at least #10 or darker, must be worn at all times.
  • All people in the welding area must wear all protective gear.
  • Fully surround the area with welding screens at all times.

Step 2: Welding Coated Metal

Metal with coatings like paint or powdercoat can emit harmful gases when heated.

  • Grind off all coatings before welding.
  • Use the fume extractor when grinding and when welding.
  • Never wear gloves when grinding.
  • Grinding or welding of galvanized material is not allowed.

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