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How Much Insulation Do I Need?
The amount of insulation needed depends on the type of insulation you're using, the R-Value you want to achieve, and the size of the space you're insulating. See our insulation calculation page for specifics on how much insulation is needed in your home.
Learn how to install home insulation with Johns Manville.
Learn how to install home insulation with Johns Manville.
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Insulation Calculation
Determine how much insulation you need for each area of your home based on your region.
What R-Value Do I Need?
Depending on where you live and the part of your home you’re insulating (walls, crawlspace, attic, etc.), you’ll need a different R-Value.
