In any application that has the potential for moisture accrual (like a vented warehouse space), you want to use a perforated product, NOT a solid/vapor barrier.

There is some debate in the radiant barrier business whether to use a perforated or a solid radiant barrier product.

There is some debate in the radiant barrier business whether to use a perforated or a solid radiant barrier product.

Dry products don't grow mold, rot or decay; therefore, moisture in wall and ceiling assemblies is not a good thing. This is why you would choose a perforated product (that allows moisture vapor to pass through freely) over a solid product (that traps moisture behind it).

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