This calculator is designed to help users quickly and accurately determine the total R-value of an exterior wall assembly. Simply follow the steps to build your wall and determine its r-value.

R-Value Calculator For Exterior Above-Grade Walls

Step 1: Choose Exterior Cladding



Step 2: Continuous Insulation


Step 3: Choose Sheathing


Step 4: Framing & Insulation


Step 5: Interior Finish

Step 6: Air Film

Are you in a heating or cooling dominated climate?

Results:

Select components to see the breakdown.