Attic Insulation Calculator
Calculate insulation for attic spaces
ft
ft
公式
Depth = R-Value / 3.2 per inch
Blown-in cellulose insulation provides ~R-3.2 per inch.
示例
40×30, R-38
11.9" deep, 30 bags.
常见问题
关于 Attic Insulation
Calculate attic insulation depth and materials needed.