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// CODE SNIPPET

2308.2.5 Allowable Roof Span

Building Code 2018 of Illinois > 23 Wood > 2308 Conventional Light-Frame Construction > 2308.2 Limitations > 2308.2.5 Allowable Roof Span
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Ceiling joist and rafter framing constructed in accordance with Section 2308.7 and trusses shall not span more than 40 feet (12 192 mm) between points of vertical support. A ridge board in accordance with Section 2308.7 or 2308.7.3.1 shall not be considered a vertical support.

Related Code Sections


2308.2.5 Wood, Allowable Roof Span
Ceiling joist and rafter framing constructed in accordance with Section 2308.7 and trusses shall not span more than 40 feet (12 192 mm) between ...
Building Code 2021 of Illinois > 23 Wood > 2308 Conventional Light-Frame Construction > 2308.2 Limitations > 2308.2.5 Allowable Roof Span
2308.2.5 Wood, Allowable Roof Span
Ceiling joist and rafter framing constructed in accordance with Section 2308.7 and trusses shall not span more than 40 feet (12 192 mm) between ...
Building Code 2018 of Illinois > 23 Wood > 2308 Conventional Light-Frame Construction > 2308.2 Limitations > 2308.2.5 Allowable Roof Span
2303.2.5.1 Wood, Wood Structural Panels
shall publish the allowable maximum loads and spans for service as floor and roof sheathing for its treatment ...
Building Code 2021 of Illinois > 23 Wood > 2303 Minimum Standards and Quality > 2303.2 Fire-Retardant-Treated Wood > 2303.2.5 Strength Adjustments > 2303.2.5.1 Wood Structural Panels
2303.2.5.1 Wood, Wood Structural Panels
publish the allowable maximum loads and spans for service as floor and roof sheathing for its treatment ...
Building Code 2018 of Illinois > 23 Wood > 2303 Minimum Standards and Quality > 2303.2 Fire-Retardant-Treated Wood > 2303.2.5 Strength Adjustments > 2303.2.5.1 Wood Structural Panels
2304.8 Wood, Floor and Roof Sheathing
) ALLOWABLE SPANS FOR LUMBER FLOOR AND ROOF SHEATHING SPAN (inches) MINIMUM NET THICKNESS (inches) OF LUMBER PLACED Perpendicular to supports ...
Building Code 2018 of Illinois > 23 Wood > 2304 General Construction Requirements > 2304.8 Floor and Roof Sheathing
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