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Standard Fire Test Method for Evaluation of Fire Propagation Characteristics of Exterior Wall Assemblies Containing Combustible Components

This standard provides a test method for determining the fire propagation characteristics of exterior wall assemblies and panels used as components of curtain wall assemblies that are constructed using combustible materials or that incorporate combustible components.

NOTE:  Due to the COVID-19 coronavirus and NFPA’s efforts to safeguard our attendees at NFPA meetings, the March 25-26, 2020 First Draft meeting is being rescheduled as two half-day telephone/web conferences on May 20th and May 22nd (see Next Edition tab for details). NFPA extends sincere apologies for any inconvenience this may cause.  Thank you for your understanding and continued interest in the development of NFPA Standards.

Current Edition: 2019

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NFPA 285

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