NFPA 265-2019 Standard Methods of Fire Tests for Evaluating Room Fire Growth Contribution of Textile or Expanded Vinyl Wall Coverings on Full Height Panels and Walls.
2.1 General. The documents or portions thereof listed in this chapter are referenced within this standard and shall be considered part of the requirements of this document. 2.2 NFPA Publications. (Reserved) 2.3 Other Publications. 2.3.1 ASTM Publications. ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959. ASTM C1186, Standard Specification for Flat Fiber-Cement Sheets, 2008 (2016). ASTM C1288, Standard Specification for Fiber-Cement Interior Substrate Sheets, 2017. ASTM C1396/C1396M, Standard Specification for Gypsum Board, 2017. ASTM E136, Standard Test Method for Behavior of Materials in a Vertical Tube Furnace at 750°C, 2016a.
Chapter 3 Definitions 3.1 General. The definitions contained in this chapter shall apply to the terms used in this standard. Where terms are not defined in this chapter or within another chapter, they shall be defined using their ordinarily accepted meanings within the context in which they are used. Merriam-Webster’s Collegiate Dictionary, 11th edition, shall be the source for the ordinarily accepted meaning. 3.2 NFPA Official Definitions. 3.2.1 Shall. Indicates a mandatory requirement. 3.2.2 Should. Indicates a recommendation or that which is advised but not required. 3.2.3 Standard. An NFPA Standard, the main text of which contains only mandatory provisions using the word“shall” to indicate requirements and that is in a form generally suitable for mandatory reference by another standard or code or for adoption into law. Nonmandatory provisions are not to be considered a part of the requirements of a standard and shall be located in an appendix, annex, footnote， informational note, or other means as permitted in the NFPA Manuals of Style. When used in a generic sense, such as in the phrase “standards development process” or“standards development activities,” the term “standards” includes all NFPA Standards, including Codes， Standards, Recommended Practices, and Guides. 3.3 General Defnitions. 3.3.1 Average Upper Gas Layer Temperature. Temperature based on the average of the four ceiling quadrant thermocou- ples and the center of the room ceiling thermocouple. [286, 2019] 3.3.2* Expanded VinyI Wall Covering. Wall covering consist- ing of a woven textile backing, an expanded vinyl base coat layer, and a nonexpanded vinyl skin coat. 3.3.3* Textile. A fabric made of natural or man-made fibers. [286, 2019]NFPA 265 pdf download.