HFIAW Local 124 — Milwaukee, WI

Heat and Frost Insulators and Allied Workers (HFIAW) Local 124 represents asbestos workers and mechanical insulators in Milwaukee, WI and surrounding jurisdiction (Wisconsin (Eastern)).

Through the mid-20th century asbestos era, Local 124 members were dispatched to:

  • Industrial installations — power plants, refineries, chemical plants, paper mills, manufacturing facilities
  • Commercial and institutional buildings — hospitals, schools, universities, office buildings, government facilities
  • Maintenance and shutdown work — outages and turnarounds at heavy industrial facilities
  • Marine and shipyard work where applicable to the regional industrial mix

Asbestos Exposure Context

Insulators performed work that placed them in direct, sustained contact with asbestos-containing materials. From the 1940s through the 1970s, Local 124 members handled:

  • Magnesia pipe insulation (typically 85% magnesia / 15% asbestos)
  • Calcium silicate block and pipe covering (chrysotile + amosite)
  • Asbestos cement for fitting irregular shapes, valves, flanges, and pump bodies
  • Refractory insulating cements for high-temperature furnace and boiler applications
  • Asbestos cloth and tape for thermal barriers and pipe fittings

Reaching Local 124

For current Local 124 contact information, training program details, and member services, visit the HFIAW national Local directory.

See Also

This page is informational only and does not constitute legal or medical advice. References to asbestos exposure are drawn from publicly available industrial trade literature and historical occupational health records.