AL Insulation Practice Questions - Alabama Insulation Contractor Examination Exam

Which statement best describes the difference between R-value and installed performance?

Labeled R-value always equals field performance regardless of installation Gaps, compression, voids, and air leakage can reduce installed performance below labeled R-value Installed performance is always higher than labeled R-value Only loose-fill products have labeled R-values

Correct Answer:

Gaps, compression, voids, and air leakage can reduce installed performance below labeled R-value

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