The 2012 International Energy Conservation Code (IECC) contains the first eave baffle requirements found in the IECC. Although 2012 International Residential Code (IRC) Section R806.3 Vent and Insulation Clearance calls for “a minimum of a 1-inch (25 mm) space . . . Between the insulation and the roof sheathing and at the location of the vent.” There is no means specified in the IRC for maintaining this dimension throughout the useful life of the building. The baffle requirement works in conjunction with the IRC to ensure that the required ventilation space will be created and maintained..
Click to continue reading more on this update to the 2012 IECC Significant Changes.