Attic Insulation Calculator
Location (Climate Zone)
Zone 1 (Hot)
Zone 2 (Mixed)
Zone 3 (Cold)
Zone 4 (Very Cold)
Select your climate zone.
Attic Type
Unheated Attic
Heated Attic
Is your attic conditioned?
Length (ft)
Please enter a positive number.
Width (ft)
Please enter a positive number.
Current R-Value
Enter 0 if none.
Insulation Material
Fiberglass Batts (R-3.7/in)
Cellulose (R-3.2/in)
Spray Foam (R-6.0/in)
Cost per sq ft ($)
Material cost per square foot.
Calculate Insulation
Results