Insulation Calculators

Determine insulation R-value, coverage area, and material quantities.

Calculate insulation needed for attic, walls, or basement. Determine R-value requirements and material quantities.

Calculate the total R-value of your wall, ceiling, or floor assembly. Add up R-values of each material layer.

Estimate bags of blown-in insulation, coverage area, and settled depth for attic and wall cavities.

Calculate the square footage and rolls of vapor barrier needed for your crawlspace, floor, or wall.