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The present IBC acknowledges 2 categories of fire ranked glass fire protective and fire resistive. These 2 kinds of fire rated glass are based on the screening requirements that the item has fulfilled, not just the period score. Fire protective glass items are tested to NFPA 252/257 and blocks smoke and flames.

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Fire resistive glass items are checked to ASTM E-119/ NFPA 251/UL263 and blocks smoke, flames and convected heat. They are generally utilized in 60-120 minute applications and are only subject to checked size constraints. Typically speaking, exit passages have a fire resistance score of 1 hour. Table 716. 5 in the 2012 IBC details the requirements for door, sidelite and transom assemblies.

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Products consist of,, and. All these choices satisfy CPSC Feline. I and II effect safety. 45 minute fire protective glass tested with pipe stream *.  https://optimumwindow.com/about/  include 45-minute fire resistive intumescent tempered units,,, and. All these choices meet CPSC Feline. I and II impact safety. 45 minute fire protective glass evaluated with hose pipe stream *.

This application does not require meeting CPSC impact security requirements. Table 716. 6 in the 2012 IBC details the requirements for openings in 1 hour exit corridors The GSA and AHJs have actually allowed the use of a fire protective heat-reflective specialty tempered item tested without tube stream in 45 minute sidelites, transoms and openings for the expense advantages and added safety that it supplies.

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The IBC needs interior exit stairs be confined to secure building residents from smoke, flames and radiant heat as they are leaving the structure. Exit enclosures/stairwells 4 stories or more should be 2 hour fire resistance rated; exit enclosures/stairwells less than 4 stories need to be 1 hour fire resistance ranked.

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5 in the 2012 IBC define the door assembly requirements for 1 and 2 hour exit enclosure/stairwells. 60 or 90 minute fire protective glass limited to 100 square inches. Products include,, and. To go beyond 100 square inches in the door vision panel, either 60 minute fire resistive intumescent tempered systems must be utilized in 1 hour stairwells, and need to be utilized in 2 hour stairwells.