AL Insulation Practice Questions - Alabama Insulation Contractor Examination Exam

Spray polyurethane foam (SPF) is formed on site by mixing which two primary liquid components?

Portland cement and sand A-side (isocyanate) and B-side (polyol resin blend) Asphalt and gravel Gypsum plaster and lime

Correct Answer:

A-side (isocyanate) and B-side (polyol resin blend)

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