NFPA 285, Standard Fire Test Method for Evaluation of Fire Propagation Characteristics of Exterior Wall Assemblies Containing Combustible Components
$94.50
Access the latest method for assessing the fire spread traits of exterior wall assemblies constructed of combustible materials or components.
NFPA® 285, Standard Fire Test Method for Evaluation of Fire Propagation Characteristics of Exterior Wall Assemblies Containing Combustible Components, provides a consensus process for determining the flame spread resistant properties of these materials when exposed to interior fires. NFPA 285 covers details of test specimens, including new types of wall systems and materials, testing documentation and instrumentation, and the latest requirements, criteria, and diagrams for thermocouple locations.
Important changes to the 2023 edition include:
- Revised document scope to clarify that this is an assembly test method
- New limits on wall projections
- Addition of details on sealing the tops and sides of walls
- New Annex B on the extension of results from assemblies that meet NFPA 285 test requirements
