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Per NFPA's requirements, when purchasing NFPA 2021 Standards and/or 2020 NFPA 70 (NEC), you must subscribe to at least one more NFPA Standard to complete your purchase. In order to fulfill this requirement, we automatically add 2019 NFPA 900 to your cart. This title may be removed during checkout if you choose to add a different NFPA standard to your cart, and pricing will be recalculated accordingly.
Help protect lives and reduce damage by referencing NFPA 221 for the latest requirements for fire-rated walls.
Fire wall assemblies are intended to offer an effective means of slowing the spread of fire and reducing loss. NFPA 221, Standard for High Challenge Fire Walls, Fire Walls, and Fire Barrier Walls, provides AHJs, architects, engineers, and anyone involved in building construction with comprehensive criteria for the proper design and construction of these structures. The standard covers general requirements for fire resistance ratings, performance-based design, and other considerations for high challenge fire walls, fire walls, and fire barrier walls, including protection of openings and penetrations.
The updated 2021 edition offers the most relevant and complete provisions for fire wall assemblies.
NFPA 221 assists in understanding and differentiating between the various kinds of walls, so you can make the right decisions to help safeguard people and property.
Significant changes to the 2021 edition include:
Added requirements to the performance-based design of walls designed using analytical methods to determine the performance of structural systems under uncontrolled fire exposure
Expanded guidance on insulation applied to the exterior of the vertical surface of fire walls
Revisions to requirements for buildings in high-wind-prone regions to coordinate with changes in the building code to mitigate small windborne debris damage
Take confidence you have the right information to help ensure fire walls are designed and constructed to perform as intended.
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About NFPA
The mission of the international nonprofit NFPA, established in 1896, is to reduce the worldwide burden of fire and other hazards on the quality of life by providing and advocating consensus codes and standards, research, training, and education.
The world's leading advocate of fire prevention and an authoritative source on public safety, NFPA develops, publishes, and disseminates more than 300 consensus codes and standards intended to minimize the possibility and effects of fire and other risks.
NFPA membership totals more than 70,000 individuals around the world