What are the IECC Commerical Envelope Requirements

2009_iecc_comm_envelope (1) for   all Buildings Other Than:

•One- and two-family residential

•R-2, R-3, R-4 three stories or less in height

What is the Building Thermal Envelope?

  •Roof/Ceiling Assembly

 •Wall Assembly

 •Vertical Fenestration and Skylights

 •Floor Assembly

 •Slab Edge

 •Below Grade Wall Assembly

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