標準號：ANSI/NFPA 257-2011
中文標準名稱：窗戶和玻璃墊塊組件的防火試驗標準
英文標準名稱：Standard on Fire Test for Window and Glass Block Assemblies
標準類型：P16
發布日期：2011/1/1 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：P16
國際標準分類號：13.220.50
適用范圍：1.1 Scope. 1.1.1 This standard prescribes standardized fire and hose stream test procedures that apply to the evaluation of fire window assemblies, including windows, glass block, and other light-transmitting assemblies intended to retard the spread of fire through openings in fire resistance?rated walls. 1.1.2 This standard is not to be construed as determining the suitability of fire window assemblies for continued use after fire exposure. 1.1.3 This standard provides a standardized method for comparing the performance of fire window assemblies.