K108 Attics That Are Evacuation Locations — 2025 California Building Code
California Building Code (Title 24, Part 2) · 2025 edition · updated 2026-10-19 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Building Code (Title 24, Part 2) § K108 · Effective January 1, 2026 · Official source: Building Standards Commission
K108.1 General.¶
Attics that have finish floors no less than one (1) foot (0.30 meter) above the WSEL200 shall be permitted to be evacua- tion locations.
K108.2 Headroom.¶
When an attic is used as an evacuation location, the minimum headroom of the required area shall be 30 inches (762 mm) with 50 percent of the required area having a headroom of 60 inches (1524 mm).
K108.3 Attic flooring.¶
The required area of the evacuation location shall be solidly sheathed.
K108.4 Attic live loads.¶
Attic areas that are used as evacuation locations shall be designed for the floor live load required for the occu- pancy as required in Table 1607.2.
K108.5 Evacuation routes to attic evacuation locations.¶
Evacuation routes to attic evacuation locations shall be permitted to be provided by a stairway, ramp, alternating tread device, fixed ladder or other means approved by the building official.
Exception: In Group R-3.1 occupancies that are subject to the requirements of Chapter 11A or 11B, such requirements shall apply to the evacuation routes to attics.
K108.6 Means of escape from attics.¶
The means of escape from attics shall comply with Section K105.
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