NFPA 285 provides a method of determining the flammability characteristics of exterior, nonload bearing wall assemblies and panels which are required to be of non-combustible construction but may contain combustible components.
The 2006 NFPA 285: Standard Fire Test Method for Evaluation of Fire Propagation Characteristics of Exterior Non-Load-Bearing Wall Assemblies Containing Combustible Components includes:
Changes that improve the application of the test method
Clarified scope and purpose
Technical changes addressing details about the test specimen, documentation of the fire test, and testing instrumentation
Complete editorial rewrite for compliance with NFPA®'s Manual of Style
A new Annex provides historical information describing the development. (Sotfbound, 20 pp., 2006)