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Attic Protector R- 19 Fiberglass Blown-In Insulation with Sound Barrier 109-sq ft per bag ( 25.2-lb )

Johns Manville Attic Protector R- 19 Fiberglass Blown-In Insulation with Sound Barrier 109-sq ft per bag ( 25.2-lb )

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I have about 1600sq ft how many of bags would I need to cover at about 12"?


To determine the number of bags to purchase, you simply take the total area (1600sqft) and divide that by the bag coverage (sqft). 1600 / 109 = 14.68 bags. Please also reference our webpage for more information: https://www.jm.com/en/homeowner-insulation/calculating-how-much-insulation-to-buy-for-your-project/

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