SPFA SPF Installer Practice Questions - SPFA Spray Polyurethane Foam (SPF) Installer Certification Exam

What is the typical in-place density of closed-cell (two-pound) spray polyurethane foam used for insulation?

0.5 lb/ft3 About 2.0 lb/ft3 About 6.0 lb/ft3 About 0.25 lb/ft3

Correct Answer:

About 2.0 lb/ft3

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