Sheet Metal Worker at Sheet Metal Workers Local Union 100 - Baltimore

Time-BasedRegistered ApprenticeshipUnionPaid Training

at Sheet Metal Workers Local Union 100 - Baltimore in Baltimore, MD

About This Program

Sheet Metal Workers Local Union 100 – Baltimore, based in Baltimore, MD, sponsors this union Sheet Metal Worker apprenticeship through its Joint Apprenticeship and Training Committee (JATC). Apprentices earn wages from day one and receive incremental pay increases as they advance, along with access to union benefits.

The 5-year program includes 8,000 hours of on-the-job training and 640 hours of related technical instruction. Working on commercial, industrial, and institutional projects in the Baltimore area, apprentices build proficiency in fabricating and installing ductwork, ventilation systems, architectural sheet metal, and metal roofing. Coursework addresses blueprint reading, sheet metal fabrication, welding, trade math, and workplace safety.

Completing the program earns participants journeyworker status with Local Union 100, a union credential that carries weight with sheet metal contractors throughout Maryland and the Mid-Atlantic region. Journeyworkers with union affiliations typically access competitive pay scales, comprehensive benefits, and strong job security.

Wage & Training

Journeyman Wage

$26

BLS 2023

OJT Hours

8,000

Apprenticeship.gov 2025

RTI Hours

640

Apprenticeship.gov 2025

Duration

5 years

Apprenticeship.gov 2025

Wage data is the national median for this occupation (BLS, May 2023), not specific to this program.

How to Apply

Sheet Metal Worker Career Outlook

National Median

$26.33/hr

~$54,766.4/yr

Apprentice Start

$16/hr

Earn while you learn

Job Outlook

Sheet metal worker employment is expected to grow steadily, driven by HVAC system demand in new construction and energy-efficiency retrofits. The transition to high-efficiency systems and commercial building upgrades creates ongoing need for skilled fabricators and installers. Workers with welding and CAD skills have the strongest prospects.

What to Expect as a Sheet Metal Worker Apprentice

Duration

5 years of combined on-the-job training and classroom instruction

On-the-Job Training

~32 hours/week of hands-on work under journeyman supervision (8,000 total hours)

Classroom Instruction

640 hours of related technical instruction (~128 hours/year)

Paid Training

You earn a wage from day one, starting at a percentage of the journeyman rate and increasing as you progress

Time-based program: You'll progress through the program based on completing a set number of hours in both on-the-job training and classroom instruction.

This is a union-affiliated program. Union apprenticeships typically offer strong benefits packages, pension contributions, and structured career advancement through the local hall.

Trade School vs. Apprenticeship for Sheet Metal Worker

Apprenticeship

Cost$0 (earn while you learn)
Duration5 years
Starting wage$16.00/hr
Journeyman wage$26.33/hr
CredentialJourneyman card

Trade School

Cost$5,000–$20,000+
Duration6–24 months
Starting wageEntry-level
ExperienceHands-on labs
CredentialCertificate / diploma

Licensing in Maryland

Sheet Metal Workers in Maryland are required to hold a license. Licensing is issued by Maryland Department of Labor, Division of Occupational and Professional Licensing.

View full Marylandlicensing requirements →

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