IRC 2021 · Model

Chapter 11: Building Thermal Envelope And Insulation

44 sections in this chapter of the IRC 2021 model text — not Model's amended edition.

1103.1 (R403.1) Controls Not less than one thermostat shall be provided for each separate heating and cooling system.

  1. 1103.1(R403.1) Controls
  2. 1104.2(R404.2) Interior lighting controls
  3. N1101General
  4. N1101.1Scope
  5. N1101.10(R303.1) Identification
  6. N1101.2(R101.3) Intent
  7. N1101.3(R101.5.1) Compliance materials
  8. N1101.4(R102.1.1) Above code programs
  9. N1101.5(R103.2) Information on construction documents
  10. N1101.7(R301.1) Climate zones
  11. N1102.1(R402.1) General
  12. N1102.1.2(R402.1.2) Insulation and fenestration criteria
  13. N1102.1.3(R402.1.3) R -value alternative
  14. N1102.2(R402.2) Specific insulation requirements
  15. N1102.2.2(R402.2.2) Ceilings without attics
  16. N1102.2.3(R402.2.3) Eave baffle
  17. N1102.2.4(R402.2.4) Access hatches and doors
  18. N1102.2.5(R402.2.5) Mass walls
  19. N1102.2.6(R402.2.6) Steel-frame ceilings, walls, and floors
  20. N1102.2.7(R402.2.7) Floors
  21. N1102.2.8(R402.2.8) Basement walls
  22. N1102.2.9(R402.2.9) Slab-on-grade floors
  23. N1102.3(R402.3) Fenestration
  24. N1102.3.2(R402.3.2) Glazed fenestration SHGC
  25. N1102.3.3(R402.3.3) Glazed fenestration exemption
  26. N1102.3.4(R402.3.4) Opaque door exemption
  27. N1102.4(R402.4) Air leakage
  28. N1102.4.1.1(R402.4.1.1) Installation
  29. N1102.4.1.2(R402.4.1.2) Testing
  30. N1102.4.2(R402.4.2) Fireplaces
  31. N1102.4.3(R402.4.3) Fenestration air leakage
  32. N1102.4.4(R402.4.4) Rooms containing fuel-burning appliances
  33. N1102.5(R402.5) Maximum fenestration U-factor and SHGC
  34. N1103.1(R403.1) Controls
  35. N1103.2(R403.2) Hot water boiler outdoor temperature reset
  36. N1103.3(R403.3) Ducts
  37. N1103.4(R403.4) Mechanical system piping insulation
  38. N1103.5(R403.5) Service hot water systems
  39. N1103.6(R403.6) Mechanical ventilation
  40. N1104.1(R404.1) Lighting equipment
  41. N1105.1(R405.1) Scope
  42. N1105.2(R405.2) Performance-based compliance
  43. N1105.3(R405.3) Documentation
  44. R302.4.1Through penetrations

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IRC 2021 Chapter 11: Building Thermal Envelope And Insulation — Model Code | BuildSpec