Important message for WDS users

The IEA has discontinued providing data in the Beyond 2020 format (IVT files and through WDS). Data is now available through the .Stat Data Explorer, which also allows users to export data in Excel and CSV formats.

2012 IECC - State Building Code (Rhode Island)

Source: International Energy Agency
Last updated: 20 February 2019
Amendments to the 2012 IECC include but not limited to the following:

Insulation and Fenestration Prescriptive requirements for Climate Zone 5

Fenestration U-factor 0.35 instead of 0.32
Skylight U-factor 0.60 instead of 0.55
Ceiling Insulation R-value of R38 instaed of R49
Basement wall R-value Continuous insualtion R10 and cavity insulation R13 instead of 15/19
Crawl space wall R-value continuous insulation R10 and cavity insulation R13 instead of 15/19

Air leakage testing: Post construction test total leakage shall be less than or equal to 8 cfm per 100 square feet of conditioned floor area

Rough-in test total leakage shall be less than or equal to 6 cfm per 100 square feet of conditioned floor area (refer to the code for additional details).