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// CODE SNIPPET

805.1.1 Subfloor Construction

Building Code 2021 of Illinois > 8 Interior Finishes > 805 Combustible Materials in Types I and II Construction > 805.1 Application > 805.1.1 Subfloor Construction
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ILLUSTRATION
Floor sleepers, bucks and nailing blocks shall not be constructed of combustible materials, unless the space between the fire-resistance-rated floor assembly and the flooring is either solidly filled with noncombustible materials or fireblocked in accordance with Section 718, and provided that such open spaces shall not extend under or through permanent partitions or walls.

Related Code Sections


805.1.1 Interior Finishes, Subfloor Construction
Floor sleepers, bucks and nailing blocks shall not be constructed of combustible materials, unless the space between the fire-resistance-rated floor ...
Building Code 2021 of Illinois > 8 Interior Finishes > 805 Combustible Materials in Types I and II Construction > 805.1 Application > 805.1.1 Subfloor Construction
805.1.1 Interior Finishes, Subfloor Construction
Floor sleepers, bucks and nailing blocks shall not be constructed of combustible materials, unless the space between the fire-resistance-rated floor ...
Building Code 2018 of Illinois > 8 Interior Finishes > 805 Combustible Materials in Types I and II Construction > 805.1 Application > 805.1.1 Subfloor Construction
2304.12.1.1 Wood, Joists, Girders and Subfloor
Wood joists or wood structural floors that are closer than 18 inches (457 mm) or wood girders that are closer than 12 inches (305 mm) to the exposed ...
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 > 2304.12.1.1 Joists, Girders and Subfloor
2304.12.1.1 Wood, Joists, Girders and Subfloor
Wood joists or wood structural floors that are closer than 18 inches (457 mm) or wood girders that are closer than 12 inches (305 mm) to the exposed ...
Building Code 2021 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 > 2304.12.1.1 Joists, Girders and Subfloor
805.1.3 Interior Finishes, Insulating Boards
to a noncombustible floor assembly or to wood subflooring attached to sleepers as provided for in Section 805.1.1 ...
Building Code 2018 of Illinois > 8 Interior Finishes > 805 Combustible Materials in Types I and II Construction > 805.1 Application > 805.1.3 Insulating Boards
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