IECC Compliance Guide For Homes Washington
This guide is an energy code compliance aid based upon 2009 IECC (International Energy Conservation Code) requirements. This guide will provide insulating recommendations, required U-Factors for windows, skylights, and doors, as well as the R-value requirements for walls and foundations, based upon the 2009 IECC requirements for your climate zone. Download this guide to learn more about the specific 2009 IECC requirements for Washington.
* Climate zones
* Insulating requirements