The 2016 Energy Standards include several important changes to the building envelope component requirements, as described below:
b. Demising walls
c. Placement of insulation in the roof/ceiling to limit heat loss and gain from conditioned to unconditioned spaces
B. Revised prescriptive requirements of §140.3 that apply to:
a. Metal buildings roofs, and wood-framed and other roofs
b. Metal-framed walls, and wood-framed walls
C. Requirements for additions, alterations, and repairs, §141.0 that apply to:
a. Mandatory insulation requirements for alterations
b. Maximum U-factor and shading requirements for fenestration in alterations
c. Roof/ceiling insulation tradeoff for aged solar reflectance of roofing being replaced, recovered or recoated
d. Window Films
D. Requirements for additions, alterations applying to covered processes, §141.1.