Today’s union insulator is skilled in the installation of mechanical insulation, fire stopping, asbestos and lead mitigation or abatement, sound attention and specialty fabrications required in custom mechanical insulation installations for commercial, industrial, medical, bio-technical, governmental and educational facilities among other customer types. Even if we don't have opportunities for you in the St. Louis area, if you're qualified and willing to move, we can place you in markets throughout North America where there is a work shortage!
Founded in 1898 as the first organized union of Heat and Frost insulators. Insulators Local Union No.1 has a long
and storied history in the building trades and labor movement, not only in St. Louis but around the country.
Today, Local #1 represents 350 of the best trained and most qualified Insulation industry professionals in eastern Missouri and western Illinois.