Section 1407 — EXTERIOR INSULATION AND FINISH SYSTEMS (EIFS) — 2025 California Building Code (Title 24, Part 2)

1407.1 General. ¶

1407.1 General. The provisions of this section shall govern the materials, construction and quality of exterior insulation and finish systems (EIFS) for use as exterior wall coverings in addition to other applicable requirements of Chapters 7, 14, 16, 17 and 26.

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1407.2 Performance characteristics. ¶

1407.2 Performance characteristics. EIFS shall be constructed such that it meets the performance characteristics required in ASTM E2568. [BS] 1407.3 Structural design. The underlying structural framing and substrate shall be designed and constructed to resist loads as required by Chapter 16.

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1407.4 Weather resistance. ¶

1407.4 Weather resistance. EIFS shall comply with Section 1402 and shall be designed and constructed to resist wind and rain in accordance with this section and the manufacturer’s application instructions. 1407.4.1 EIFS with drainage. EIFS with drainage shall have an average minimum drainage efficiency of 90 percent when tested in accordance the requirements of ASTM E2273 and is required on framed walls of Type V construction, Group R1, R2, R3 and R4 occupancies. 1407.4.1.1 Water-resistive barrier. For EIFS with drainage, the water-resistive barrier shall comply with Section 1403.2 or ASTM…

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1407.5 Exterior walls of buildings of any height. ¶

1407.5 Exterior walls of buildings of any height. Exterior wall assemblies containing an EIFS exterior wall covering shall comply with Section 2603.5.

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1407.6 Installation. ¶

1407.6 Installation. Installation of the EIFS and EIFS with drainage shall be in accordance with the EIFS manufacturer’s instructions.

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1407.7 Special inspections. ¶

1407.7 Special inspections. EIFS installations shall comply with the provisions of Sections 1704.2 and 1705.17.

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