Mechanics, Maintenance & Manufacturing career

Refractory Repairer

Also called: Refractory Mason · Furnace Liner · Refractory Technician · Kiln Repairer

What refractory repairers do, what they earn, how long training takes and how to get started, with official BLS pay data and practical, job-level detail.

Updated By the Career Education Institute Curriculum Team
What does a refractory repairer do?

Refractory materials repairers, except brickmasons, build or repair furnaces, kilns, cupolas, boilers and other equipment using refractory materials. The median pay is $61,290 per year (BLS, May 2025), most people train for about Several months on the job, and employment is projected to grow -13.7% from 2025–35.

Pay data: BLS OEWS, May 2025 · Outlook: BLS 2025–35 · Checked October 15, 2026

  • Median pay
    $61,290
    $29.47/hour · May 2025
  • Job growth
    -13.7%
    2025–35, a projected decline
  • Openings per year
    100
    Average, 2025–35
  • Typical entry education
    High school diploma or equivalent
    BLS classification
  • Time to train
    Several months on the job
    Typical program length
  • U.S. jobs
    1,100
    Employment, 2025

What refractory repairers do

Refractory repairers protect equipment from extreme heat. They tear out worn linings, install heat-resistant brick, castable and fiber, gun or spray refractory, and repair furnaces in steel mills, foundries, glass plants and refineries.

A high school diploma and moderate on-the-job training are typical. It is a tiny occupation, and BLS projects decline.

Typical duties

  • Inspect refractory linings
  • Tear out worn material
  • Install brick and castable
  • Spray or gun refractory
  • Repair furnace doors and seals
  • Cure new linings
  • Work during shutdowns

Work environment and schedule

Repairers work inside furnaces, kilns and boilers in heavy industry.

Schedule: Shutdown work can mean long shifts and travel.

A day in the life

  1. Attend the shutdown safety briefing.
  2. Enter a cooled furnace.
  3. Jackhammer old lining.
  4. Mix castable.

See a full day in the life of a refractory repairer →

Refractory Repairer salary

Half of refractory repairers earned more than $61,290 and half earned less in May 2025. Pay ranged from about $40,590 for the lowest 10% to $86,510 for the top 10%.

Full refractory repairer pay scale and hourly rates →

How to become a refractory repairer

  1. Finish high school
  2. Get hired as a helper
  3. Learn materials
  4. Get confined space training
  5. Advance

A high school diploma and moderate on-the-job training are typical.

Step-by-step guide to becoming a refractory repairer →

Skills and tools

Technical skills

  • Refractory installation
  • Mixing castables
  • Gunning
  • Demolition
  • Confined space work

People skills

  • Stamina
  • Safety focus
  • Teamwork
  • Reliability

All refractory repairer skills and tools →

Pros and cons

Pros

  • Specialized skill
  • Shutdown overtime
  • No degree needed
  • Industrial pay

Cons

  • Hot, dusty work
  • Confined spaces
  • Very small field
  • Declining employment

Certifications and licenses

  • Confined space training: Required.
  • Respirator fit testing: Required.
  • OSHA 10 or 30: Safety.
  • Union apprenticeship: Bricklayers union.

Career path

  1. Helper: Entry.
  2. Refractory Repairer: Install.
  3. Lead Installer: Lead crews.
  4. Refractory Supervisor: Lead projects.

Learn the job before day one

Our Refractory Repairer training (10 hours, $89.99) covers the role, 15+ key terms, step-by-step procedures such as install castable refractory and enter a confined space safely, safety and how to land your first job.

Compare: Refractory Repairer vs. Brickmason · Refractory Repairer vs. Millwright · Refractory Repairer vs. Construction Laborer · Refractory Repairer vs. Furnace and Kiln Operator

Refractory Repairer FAQ

Is refractory work common?

No, it’s a very small field.

Is it dangerous?

It can be; strict safety rules apply.

Do I need a degree?

No.

How much does a refractory repairer make?

The median annual wage for refractory repairers was $61,290 ($29.47 per hour) in May 2025, according to the U.S. Bureau of Labor Statistics. The lowest 10% earned less than $40,590 and the highest 10% earned more than $86,510.

How long does it take to become a refractory repairer?

Most people need about Several months on the job of training. A high school diploma and moderate on-the-job training are typical.

Do you need a degree to be a refractory repairer?

No four-year degree is typically required. BLS lists “high school diploma or equivalent” as the typical entry-level education, plus moderate-term on-the-job training.

More refractory repairer questions →

Sources

Reviewed by the Career Education Institute Curriculum Team. Pay figures are national estimates; local pay varies. See our editorial policy.

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