Friday, September 5, 2014

Nfpa 255

Nfpa 255

Origin and Development of NFPA 2The test procedure covered by this standard was originally developed by Underwriters Laboratories Inc., and a descriptive article on the procedure was published in the NFPA. NFPA 255: Standard Method of Test of Surface Burning Characteristics of Building Materials is referenced by the NFPA 101: Life Safety Code and building codes as the test procedure to be used for establishing the values associated with a material s flame spread and smoke density indexes, when used as interior wall and ceiling finishes. Our number-one concern is the safety of the public and the installers, so all Flame Stop products are backed by bona-fide test reports by one or more of the following testing laboratories Intertek Southwest Research Underwriters Laboratories Underwriters Laboratories of Canada United States Testing. American NFPA 2ASTM E The purpose of the test is to provide a comparative measurement of surface flame spread and smoke development of materials with that of a select grade red oak and reinforced cement board under a specific fire exposure conditions. NFPA 80A - Recommended Practice for Protection of Buildings from Exterior Fire Exposures Published by NFPA on January 20This recommended practice addresses separation distances between buildings to limit exterior fire spread based on exterior openings and other construction features.


Also, test for heat, smoke, and combustion product release from NFPA 2are suitable for use as input into fire models for performance-based design, whereas from NFPA 2are not. This edition of NFPA 2was approved as an American National Standard on February 11. NFPA 2is referenced by the NFPA 101: Life Safety Code and building codes as the test procedure to be used for establishing the values associated with a material s flame spread and smoke density indexes, when used as interior wall and ceiling finishes.


This method of testing surface burning characteristics of building materials is applicable to any type of building material that, by its own structural quality or the manner in which it is applie is capable of supporting itself in position or is supported in the test furnace to a thickness comparable to its recommended use.

2- t

Flame spread rating number is not the rate at which the flame actually spreads along the surface and is not an indication of the fire resistance of. NFPA This edition of NFPA 2was approved as an American National Standard on August 1 2005. It was issued by the Standards Council on January 1 200 with an effective date of February 1 200 and supersedes all previous editions. 2- t National Fire Protection Association, Inc., at its November Meeting held November 141 199 in New Orleans, LA. Simple Ways to Unclog a Main Sewer Line Without a Snake May 2019.


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NFPA 255

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