Glossary
Insulation Installer Terms & Vocabulary
15 essential insulation installer terms with plain-English definitions: the vocabulary you’ll hear in training and on day one.
Key insulation installer vocabulary
These 15 terms come up constantly in insulation installer training, on the job and in interviews. Knowing them helps you follow instructions, document accurately and sound prepared.
- Air sealing
- Stopping drafts.
- Apprenticeship
- Paid structured training.
- Baffle
- Keeps vents open.
- Batt
- Precut insulation.
- Blower door test
- Measures air leaks.
- Blown-in
- Loose insulation.
- Blueprint
- Construction drawing.
- Cellulose
- Recycled paper insulation.
- Journeyman
- Fully trained worker.
- OSHA
- Workplace safety agency.
- Punch list
- Final fix list.
- R-value
- Resistance to heat flow.
- Spray foam
- Expanding foam insulation.
- Thermal bridge
- Heat path through framing.
- Vapor barrier
- Blocks moisture.
Practice these terms
Test yourself with the free Insulation Installer practice test: it includes vocabulary questions built from this list. For a complete course, see Insulation Installer training.
Browse terms from every career in our career glossary.