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Division 72

SEC. 91.7207. SPECIAL REQUIREMENTS FOR THE VERY HIGH FIRE HAZARD SEVERITY ZONE.

Los Angeles Building Code — LAMC Chapter IX · 2026-08 edition · updated 2026-09-09 · Los Angeles

(Title Amended by Ord. No. 176,943, Eff. 10/5/05.)

91.7207.1. Unenclosed Under-floor Areas. Residential buildings shall have all under-floor areas completely enclosed to the ground with construction as required for exterior walls.

EXCEPTIONS:

  1. Complete enclosure shall not be required where the underside of all exposed floors and all exposed structural columns, beams and supporting walls are protected as required for exterior one-hour fire-resistive construction.

  2. The area under cantilevered balconies and unroofed walking decks need not be considered as under-floor area, provided exposed utilities, pipes or other mechanical devices are not located in the area.

91.7207.2. Utilities. All utilities, pipes, furnaces, water heaters or other mechanical devices located in an exposed under-floor area of a residential building shall be enclosed with material as required for one-hour fire-resistive construction. Adequate covered access openings for servicing such utilities shall be provided as required by appropriate codes.

91.7207.3. Attic Openings. (Amended by Ord. No. 179,324, Eff. 12/10/07, Oper. 1/1/08.) All exterior attic openings shall be protected with a maximum 1/4-inch noncombustible and corrosion-resistant screen.

91.7207.4. Roofing. (Amended by Ord. No. 179,324, Eff. 12/10/07, Oper. 1/1/08.) All buildings shall have a fire retardant roofing assembly complying with the requirements of Class A roof covering as defined in CBC Section 1505. Wood shakes and shingle are not permitted in the VHFHSZ.

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▸Contents — Los Angeles Building Code — LAMC Chapter IX
Los Angeles Building Code — LAMC Chapter IX
  1. Chapter IX
  2. Chapter IX — BUILDING REGULATIONS
  3. Division 1
  4. Division 2
  5. Division 3
  6. Division 4
  7. Division 5
  8. Division 6
  9. Division 7
  10. Division 8
  11. Division 9
  12. Division 10
  13. Division 11
  14. Division 12
  15. Division 13
  16. Division 14
  17. Division 15
  18. Division 16
  19. Division 17
  20. Division 18
  21. Division 19
  22. Division 20
  23. Division 21
  24. Division 22
  25. Division 23
  26. Division 24
  27. Division 25
  28. Division 26
  29. Division 27
  30. Division 28
  31. Division 29
  32. Division 30
  33. Division 31
  34. Division 32
  35. Division 33
  36. Division 34
  37. Division 35
  38. Division 61
  39. Division 62
  40. Division 63
  41. Division 67
  42. Division 70
  43. Division 71
  44. ▸Division 72
    Overview
    1. SEC. 91.7200. PURPOSE.
    2. SEC. 91.7201. GENERAL.
    3. SEC. 91.7202. ADDITIONS TO BUILDINGS.
    4. SEC. 91.7203. GENERAL REQUIREMENTS.
    5. SEC. 91.7204. SPECIAL REQUIREMENTS FOR FIRE DISTRICT NUMBER 1.
    6. SEC. 91.7207. SPECIAL REQUIREMENTS FOR THE VERY HIGH FIRE HAZA…
    7. SEC. 91.7208. PROHIBITED VEHICLES.
    8. SEC. 91.8101. GENERAL PROVISIONS.
    9. SEC. 91.8102. ENFORCEMENT.
    10. SEC. 91.8103. EXISTING BUILDING RIGHTS.
    11. SEC. 91.8104. BASIC MAINTENANCE AND REPAIR OF EXISTING BUILDIN…
    12. SEC. 91.8105. ILLEGAL BUILDINGS, CONSTRUCTION AND USE.
    13. SEC. 91.8108. NUISANCES, HAZARDOUS BUILDINGS AND SUBSTANDARD R…
    14. SEC. 91.8109. RELOCATED BUILDINGS.
    15. SEC. 91.8110. UNREINFORCED MASONRY BEARING WALL BUILDINGS.
    16. SEC. 91.8111. RESIDENTIAL HEATING.
    17. SEC. 91.8112. RESIDENTIAL PLUMBING.
    18. SEC. 91.8113. ROD BRACING SYSTEMS.
    19. SEC. 91.8114. PARAPETS AND APPENDAGES.
    20. SEC. 91.8115. SANDBLASTING.
    21. SEC. 91.8116. SPECIAL PROVISIONS FOR LIGHT-HOUSEKEEPING ROOMS.
    22. SEC. 91.8117. FIRE WATCH.
    23. SEC. 91.8118. POOL WATER CLARITY.
    24. SEC. 91.8119. HISTORICAL BUILDINGS AND STRUCTURES.
  45. Division 82
  46. Division 83
  47. Division 85
  48. Division 88
  49. Division 89
  50. Division 90
  51. Division 91
  52. Division 92
  53. Division 93
  54. Division 94
  55. Division 95
  56. Division 96
  57. Division 5 — REGISTRATION
  58. Division 16A
  59. Division 17
  60. Division 18
  61. Division 19
  62. Division 20
  63. Division 21
  64. Division 17
  65. Division 18
  66. Division C
  67. Division D

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