Career roadmap
How to Become a Refractory Repairer
The education, training, certifications and steps it takes to start working as a refractory repairer, plus how long it takes and where the career can lead.
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. Most people need about Several months on the job. BLS lists “high school diploma or equivalent” as the typical entry-level education.
5 steps to become a refractory repairer
Finish high school
Or GED.
Get hired as a helper
Industrial contractor.
Learn materials
On the job.
Get confined space training
Credential.
Advance
Lead installer.
Education and training requirements
A high school diploma and moderate on-the-job training are typical.
| Typical entry-level education (BLS) | High school diploma or equivalent |
|---|---|
| Related work experience | None |
| On-the-job training | Moderate-term on-the-job training |
| Typical training time | Several months on the job |
Certifications and licenses
- Confined space training: Required.
- Respirator fit testing: Required.
- OSHA 10 or 30: Safety.
- Union apprenticeship: Bricklayers union.
Skills to build now
Start with refractory installation, mixing castables, and gunning, and practice stamina and safety focus. Learning the refractory repairer vocabulary early makes training and interviews easier.
Where the career can lead
- Helper: Entry.
- Refractory Repairer: Install.
- Lead Installer: Lead crews.
- Refractory Supervisor: Lead projects.
Get a head start
Our self-paced Refractory Repairer training gives you a realistic, practical overview of the job (duties, terminology, step-by-step tasks, safety and interview prep) so you can decide with confidence and show employers you’re serious.
Common questions about getting started
Do I need a degree?
No.
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.
What certifications are available for refractory repairers?
Common credentials include Confined space training, Respirator fit testing, OSHA 10 or 30, and Union apprenticeship. Requirements vary by state and employer.
Sources
- U.S. Bureau of Labor Statistics, BLS Occupational Employment and Wage Statistics (OEWS), May 2025, SOC 49-9045 (Refractory materials repairers, except brickmasons).
- U.S. Bureau of Labor Statistics, BLS Employment Projections, Table 1.2 (2025–35).
- O*NET OnLine summary for Refractory materials repairers, except brickmasons (U.S. Department of Labor).
- BLS Occupational Outlook Handbook.
Reviewed by the Career Education Institute Curriculum Team. Pay figures are national estimates; local pay varies. See our editorial policy.