§ 23.60. Table C402.2. Opaque Thermal Envelope Requirements.  


Latest version.
  • Replace TABLE C402.2 with the following:

    TABLE C402.2
    OPAQUE THERMAL ENVELOPE REQUIREMENTS
    CLIMATE ZONE 7
    All Other and Group R

    Roofs - Insulation entirely above deck R-30ci
    Roofs - Metal Buildings (with R-5 thermal blocks per ASHRAE 90.1 Appendix A) R-13 + R-19
    Roofs - Attic and Other R-38
    Walls - Above Grade - Mass R-15.2ci
    Walls - Above Grade - Metal Building R-19+R-5.6ci
    Walls - Above Grade - Metal Framed R-13+ R-7.5ci
    Walls - Above Grade - Wood framed and other R-13+ R-7.5ci or R-21
    Walls - Below Grade R-8ci
    Floors - Mass R-15ci
    Floors - Joist/Framing - Note: For framing cavities 12 inches or less in depth the entire cavity shall be filled with insulation. R-30 wood framing
    R-38 metal framing
    Floors - Slab-on-grade, unheated R-8, extending 36" below
    Floors - Slab-on-grade, heated R-10, extending 36" below
    Opaque Doors - Swinging U-0.50
    Opaque Doors - Roll-up or sliding U-0.50

     

( AO No. 2015-127, § 1, 4-1-16 )