- ABC prescribes the minimum
required R-values and communicates these in chart form
- 9.36.2.6. Thermal
Characteristics of Above-ground Opaque Building
Assemblies
- 9.36.2.8. Thermal
Characteristics of Below-Grade or in Contact with the
Ground
- There are two separate charts
for each area for houses which incorporate a Heat-Recovery
Ventilator and those that do not
- There are many exceptions but we
will not go over all of them here
- The following charts show the
required RSI/R-values required
- Remember that to convert from
RSI to R-value just multiply the RSI by 5.678