AL Insulation Practice Questions - Alabama Insulation Contractor Examination Exam

Unfaced fiberglass batts are often preferred when:

A separate vapor retarder or vapor-open design is specified, or when adding insulation over existing material The project requires a Class I polyethylene facing on every batt No insulation is allowed in the wall Only roofing asphalt is being installed

Correct Answer:

A separate vapor retarder or vapor-open design is specified, or when adding insulation over existing material

Access more questions from this quiz

Continue to AL Insulation Practice Questions - Alabama Insulation Contractor Examination Exam for more practice questions and the full quiz experience.

Access More Questions