AL Insulation Practice Questions - Alabama Insulation Contractor Examination Exam

Why do cellulose coverage charts list both installed thickness and settled thickness?

Because cellulose can settle over time and R-value is based on settled density/thickness Because settled thickness is always ignored by codes Because installed thickness has no meaning Because cellulose expands forever without limit

Correct Answer:

Because cellulose can settle over time and R-value is based on settled density/thickness

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