Section 1412 — SOFFITS AND FASCIAS AT ROOF OVERHANGS
2025 California Building Code (Title 24, Part 2) · 2025 edition · ingested 2026-07-07 · California
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1412.1 General. ¶
1412.1 General. Soffits and fascias at roof overhangs shall be designed and constructed in accordance with the applicable provisions of this section.
1412.2 General wind requirements. ¶
1412.2 General wind requirements. Soffits and fascias shall be capable of resisting the component and cladding loads for walls determined in accordance with Chapter 16 using an effective wind area of 10 square feet (0.93 m [2] ).
1412.3 Vinyl and aluminum soffit panels. ¶
1412.3 Vinyl and aluminum soffit panels. Vinyl and aluminum soffit panels shall comply with Section 1412.2, shall be installed using fasteners specified by the manufacturer and shall be fastened at both ends to a supporting component such as a nailing strip, fascia or subfascia component in accordance with Figure 1412.3(1). Where the unsupported span of soffit panels is greater than 12 inches (406 mm) and the design wind pressure is greater than 30 psf (1.44 kN/m [2] ) or the unsupported span of soffit panels is greater than 16 inches (406 mm) and the wind pressure is 30 psf (1.44 kN/m [2] )…
1412.4 Fiber-cement soffit panels. ¶
1412.4 Fiber-cement soffit panels. Fiber-cement soffit panels shall comply with Section 1412.2, shall be not less than [1] / 4 inch (6.4 mm) in thickness and shall comply with the requirements of ASTM C1186, Type A, minimum Grade II, or ISO 8336, Category A, minimum Class 2. Panel joints shall occur over framing or over wood structural panel sheathing. Soffit panels shall be installed with spans and fasteners in accordance with the manufacturer’s installation instructions.
1412.5 Hardboard soffit panels. ¶
1412.5 Hardboard soffit panels. Hardboard soffit panels shall comply with Section 1412.2 and shall be not less than [7] / 16 inch (11.11 mm) in thickness and fastened to framing or nailing strips to meet the required design wind pressures. Where the design wind pressure is 30 pounds per square foot (1.44 kN/m [2] ) or less, hardboard soffit panels are permitted to be attached to wood framing with 2 [1] / 2 -inch by 0.113-inch (64 mm by 2.9 mm) siding nails spaced not more than 6 inches (152 mm) on center at panel edges and 12 inches (305 mm) on center at intermediate supports. Soffit panels…
1412.6 Wood structural panel soffit. ¶
1412.6 Wood structural panel soffit. Wood structural panel soffits shall comply with Section 1412.2 and shall have minimum panel performance category of [3] / 8 . Wood structural panel soffits are permitted to be attached to wood framing in accordance with Table 1412.6. TABLE 1412.6—PRESCRIPTIVE ALTERNATE FOR WOOD STRUCTURAL PANEL SOFFITb, c, d, eCol2Col3Col4Col5Col6 ------------------ MAXIMUM<brDESIGN<brPRESSURE<br(± psf)MINIMUM PANEL<brSPAN RATINGMINIMUM PANEL<brPERFORMANCE<brCATEGORYNAIL TYPE AND SIZEFASTENERa SPACING ALONG EDGES<brAND INTERMEDIATE SUPPORTSFASTENERa SPACING ALONG…
1412.7 Aluminum fascia. ¶
1412.7 Aluminum fascia. Aluminum fascia shall comply with Section 1412.2 and shall be not less than 0.019 inches (0.48 mm) in thickness and installed in accordance with manufacturer’s instructions. Aluminum fascia shall be attached to wood frame construc tion in accordance with Section 1412.7.1 or 1412.7.2. 1412.7.1 Fascia installation where the design wind pressure is 30 psf (1.44 kN/m [2] ) or less. Where the design wind pressure is 30 pounds per square foot (1.44 kN/m [2] ) or less, aluminum fascia shall be a attached with one finish nail (1 [1] / 4 inches × 0.057 inch × 0.177 inch head…