r30 insulation

What Is The R-value Of 6 Inches Of Open-cell Foam Insulation?

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What Is The R-value Of 6 Inches Of Open-cell Foam Insulation? Open-cell spray foam has an R-value of 3.7 per inch, while closed-cell spray foam delivers an R-value of up to 6.5 per inch. How many inches of insulation is R30? R-Value Thickness Bags / 1000 Sq Ft R49 16.25” 22.6 R44 14.75” 20.1 R38

What Is The Best Type Of Insulation?

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What Is The Best Type Of Insulation? The best types of home attic insulation are open cell spray foam, fiberglass, and cellulose. Cellulose is the oldest insulation material used for not only the attic but other areas of the home as well. … Fiberglass is another traditional insulation material that consists of extremely fine glass