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Comfortbatt R- 30.0 Attic Wall Unfaced Stone wool Batt Insulation 30-sq ft ( 23.0-in W x 47.0-in L)

ROCKWOOL Comfortbatt R- 30.0 Attic Wall Unfaced Stone wool Batt Insulation 30-sq ft ( 23.0-in W x 47.0-in L)

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Can this be used under an addition roughly 3.5' off the ground with 2x8 joist? Need a vapor barrier against subfloor? Can it stay exposed? In NJ


Hello Emac. Is this a floor over an exposed area such as a crawlspace? Can you email us with full details please. We can then respond direct techservice@rockwool.com.

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