A vapor barrier should be installed between loose-fill insulation and the finished ceiling _____.
a. to keep the fill from settling
b. to prevent moisture from penetrating the insulation
c. to discourage mice from nesting in the fill
d. to prevent moisture from penetrating the finished ceiling
a. to keep the fill from settling
b. to prevent moisture from penetrating the insulation
c. to discourage mice from nesting in the fill
d. to prevent moisture from penetrating the finished ceiling
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