Samples of Effective R-value Calculation

Main Walls

R24 plus OSB Main Walls

R20 plus R5 Main Walls

R14 plus R5 Main Walls

R12 plus R7.5 Main Walls

Below Grade

2x4 stepped off R20 Concrete Walls

2x4 stepped off R24 Concrete Walls

R12 plus R5 Concrete Walls

R14 plus R5 Concrete Walls

R12 plus R6 Concrete Walls

The samples above were generated using the document below
ENERGY STAR for New Homes Tables for Calculating Thermal Resistance of Opaque Assemblies

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