Anchorage |
Code of Ordinances |
Title 23. BUILDING CODES |
Chapter 23.60. LOCAL AMENDMENTS TO THE INTERNATIONAL ENERGY CONSERVATION CODE 2012 EDITION |
§ 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 framingFloors - 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 )