Optional · 1 of 3
Tickets that open doors
Asbestos and lead abatement certification
Certified, licensed abatement work, and there is a lot of it in older cities.
Spray foam certification
Closed-cell spray foam is its own skill with its own chemical hazards.
Mechanical insulation
Moving from attics to pipes, boilers and refrigeration lines. A higher median in the federal survey, indoor work, and a real apprenticeship behind it.
Firestopping
Sealing penetrations through fire-rated walls. Inspected, certified and short of people.
Energy auditor training
Blower door tests and home energy assessments. Turns the trade into a diagnostic job.