Louisiana Building Climate Zone

Louisiana is hot humid, mostly Zone 2A with northern Zone 3A areas. State-level climate-zone pages are planning baselines; IECC climate zones are county based.

Planning baseline

  • IECC climate zone: Zone 2A
  • Climate type: Hot
  • Wall planning target: R-13 or R-0 + R-10 continuous insulation
  • Attic planning target: R-49 to R-60
  • Floor planning target: R-13

Use in R-value calculator ยท Use in wall assembly builder