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2304.12.1.5 Wood Siding
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Clearance between wood siding and earth on the exterior of a building shall be not less than 6 inches (152 mm) or less than 2 inches (51 mm) vertical from concrete steps, porch slabs, patio slabs and similar horizontal surfaces exposed to the weather except where siding, sheathing and wall framing are of naturally durable or preservative-treated wood.
Related Code Sections
2304.12.1.5 Wood, Wood Siding
Clearance between wood siding and earth on the exterior of a building shall be not less than 6 inches (152 mm) or less than 2 inches (51 mm) vertical ...
Building Code 2018 of Illinois > 23 Wood > 2304 General Construction Requirements > 2304.12 Protection Against Decay and Termites > 2304.12.1 Locations Requiring Waterborne Preservatives or Naturally Durable Wood > 2304.12.1.5 Wood Siding
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Exposed combustible trim and the edges of sheathing materials, such as wood siding, are permitted to abut the masonry chimney sidewalls ...
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For wood products produced by other means during manufacture, other than a pressure process, all sides of the wood product shall be tested ...
Building Code 2018 of Illinois > 23 Wood > 2303 Minimum Standards and Quality > 2303.2 Fire-Retardant-Treated Wood > 2303.2.3 Testing