Hot Top Liner

Line ingot mold covers with firebrick and refractory mortar.
picture of Hot Top Liner

Quick Stats


Salary Range
$29,000 – $79,000

Data from U.S. Department of Labor


What do Hot Top Liners do?

Lines ingot mold covers with firebrick and refractory mortar, using handtools: Examines cover to determine necessary repairs. Pries or chips defective lining from inside of cover, using crowbar, hammer, or pneumatic chisel. Cleans covers, using wire brush. Mixes specified amount of refractory mortar powder with water and spreads mixture on inside of cover, using trowel. Positions firebrick and refractory ring in mortar, using trowel, tamping bar, and wire clamps. Mixes specified amounts of molasses and graphite to form base for premixed facing solution and applies base and facing solution to cover, using brush.


Should I be a Hot Top Liner?

You should have a high school degree or higher and share these traits:
  • Levelheaded: You hold your emotions in check, even in tough situations.
  • Detail Oriented: You pay close attention to all the little details.
  • Trustworthy: You are known for your personal integrity and honesty.

  • Also known as: Bottom Liner, Door Liner, Furnace Liner, Furnace Reliner, Lining Mechanic, Open-Hearth Door-Liner, Reliner See More

    How to become a Hot Top Liner

    Most Hot Top Liners have no higher education and get on-the-job training. Think about earning a Certificate or Bachelor's degree to increase your competitiveness in the field. Chart?chd=s:9kabaa&chl=no+college+%2884%25%29|certificate+%2814%25%29||bachelor%27s+%282%25%29||&cht=p3&chs=466x180&chxr=0,84,84
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