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// CODE SNIPPET

2405.3 Screening

Building Code 2018 of Illinois > 24 Glass and Glazing > 2405 Sloped Glazing and Skylights > 2405.3 Screening
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Where used in monolithic glazing systems, heat-strengthened and fully tempered glass shall have screens installed below the glazing material. The screens and their fastenings shall be: capable of supporting twice the weight of the glazing; firmly and substantially fastened to the framing members; and installed within 4 inches (102 mm) of the glass. The screens shall be constructed of a noncombustible material not thinner than No. 12 B&S gage (0.0808 inch) with mesh not larger than 1 inch by 1 inch (25 mm by 25 mm). In a corrosive atmosphere, structurally equivalent noncorrosive screen materials shall be used. Heat-strengthened glass, fully tempered glass and wired glass, where used in multiple-layer glazing systems as the bottom glass layer over the walking surface, shall be equipped with screening that conforms to the requirements for monolithic glazing systems.
Exception: In monolithic and multiple-layer sloped glazing systems, the following applies:
  1. Fully tempered glass installed without protective screens where glazed between intervening floors at a slope of 30 degrees (0.52 rad) or less from the vertical plane shall have the highest point of the glass 10 feet (3048 mm) or less above the walking surface.
  2. Screens are not required below any glazing material, including annealed glass, where the walking surface below the glazing material is permanently protected from the risk of falling glass or the area below the glazing material is not a walking surface.
  3. Any glazing material, including annealed glass, is permitted to be installed without screens in the sloped glazing systems of commercial or detached noncombustible greenhouses used exclusively for growing plants and not open to the public, provided that the height of the greenhouse at the ridge does not exceed 30 feet (9144 mm) above grade.
  4. Screens shall not be required in individual dwelling units in Groups R-2, R-3 and R-4 where fully tempered glass is used as single glazing or as both panes in an insulating glass unit, and the following conditions are met:
    1. 4.1. Each pane of the glass is 16 square feet (1.5 m2) or less in area.
    2. 4.2. The highest point of the glass is 12 feet (3658 mm) or less above any walking surface or other accessible area.
    3. 4.3. The glass thickness is 3/16 inch (4.8 mm) or less.
  5. Screens shall not be required for laminated glass with a 15-mil (0.38 mm) polyvinyl butyral (or equivalent) interlayer used in individual dwelling units in Groups R-2, R-3 and R-4 within the following limits:
    1. 5.1. Each pane of glass is 16 square feet (1.5 m2) or less in area.
    2. 5.2. The highest point of the glass is 12 feet (3658 mm) or less above a walking surface or other accessible area.

Related Code Sections


2405.3 Glass and Glazing, Screening
Where used in monolithic glazing systems, heat-strengthened and fully tempered glass shall have screens installed below the glazing material. The ...
Building Code 2018 of Illinois > 24 Glass and Glazing > 2405 Sloped Glazing and Skylights > 2405.3 Screening
2405.3 Glass and Glazing, Screening
glass retention screens installed below the glazing material. The screens and their fastenings shall be: capable of supporting twice the weight ...
Building Code 2021 of Illinois > 24 Glass and Glazing > 2405 Sloped Glazing and Skylights > 2405.3 Screening
1015.5 Means of Egress, Screen Porches
Porches and decks that are enclosed with insect screening shall be provided with guards where the walking surface is located more than 30 inches ...
Building Code 2021 of Illinois > 10 Means of Egress > 1015 Guards > 1015.5 Screen Porches
1015.5 Means of Egress, Screen Porches
Porches and decks that are enclosed with insect screening shall be provided with guards where the walking surface is located more than 30 inches ...
Building Code 2018 of Illinois > 10 Means of Egress > 1015 Guards > 1015.5 Screen Porches
707.7 Communication Elements and Features, Display Screen
The display screen shall comply with 707.7. EXCEPTION: Drive-up only automatic teller machines and fare machines shall not be required ...
2018 Illinois Accessibility Code > 7 Communication Elements and Features > 707 Automatic Teller Machines and Fare Machines > 707.7 Display Screen
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