Ch. 32 High-Piled Combustible Storage — 2025 California Fire Code
California Fire Code (Title 24, Part 9) · 2025 edition · updated 2026-09-25 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
When does my warehouse count as high-piled combustible storage?
Over 12 feet of combustible storage—6 feet for high-hazard commodities—at the top of piles, pallets, racks, or shelves counts as high-piled storage.
Cite as: 2025 California Fire Code (Title 24, Part 9) Chapter 32 · Effective January 1, 2026 · Official source: Building Standards Commission
User notes:
About this chapter: Chapter 32 provides guidance for reasonable protection of life from hazards associated with the storage of combustible materials in closely packed piles or on pallets, in racks or on shelves where the top of storage is greater than 12 feet in height, or 6 feet for high-hazard commodities. It provides requirements for identifying various classes of commodities; and general fire and life safety features including storage arrangements, smoke and heat venting, fire department access and housekeeping and maintenance. This chapter attempts to define the potential fire severity and, in turn, determine fire and life safety protection measures needed to control and in some cases suppress a potential fire. This chapter does not cover miscellaneous combustible material storage as regulated in Section 315.
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