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Safeguard people and property by designing and constructing rated wall assemblies using updated NFPA 221.

Construct fire walls and fire barrier walls to keep fire from spreading. You'll protect building occupants, limit property damage, and help fire fighters do their jobs safely and effectively with the 2015 NFPA 221: Standard for High Challenge Fire Walls, Fire Walls, and Fire Barrier Walls.

Understand the requirements for fire rated walls in order to protect certain occupancies or hazards.

Of vital importance to architects, engineers, and anyone involved with building construction, NFPA 221 identifies and provides a focus to differentiate between types of fire walls. It presents comprehensive requirements for the design and construction of all types of rated wall assemblies including:

• High challenge fire walls
• Fire walls
• Fire barrier walls
• Protection of openings and penetrations
Update to the new 2015 edition.

Requirements describing the grade plane were added to Chapter 4, and references to floor and ceiling assemblies were removed. The 2015 NFPA 221 is an important resource for AHJs, engineers, architects, and construction industry professionals.