NFPA 255-2006 PDF Download

The NFPA 255-2006 standard is a test procedure that is used to determine the surface burning characteristics of interior wall and ceiling finishes. It is referenced by the NFPA 101: Life Safety Code and building codes. The standard measures the flame spread and smoke density indexes of materials being tested by comparing them to two known items.

The 2006 edition of NFPA 255 includes technical changes that address aspects such as test equipment, conditioning of red oak used in the test, information to be included in the test report, and advisory information regarding mounting methods. These changes aim to improve the applicability and compliance of the standard. Additionally, organizational and editorial changes have been made to make the standard easier to understand and implement. The NFPA 255-2006 edition is also in compliance with NFPA's Manual of Style.