NFPA 909, Code for the Protection of Cultural Resource Properties — Museums, Libraries, and Places of Worship, describes the principles and practices of protecting cultural resource properties and their contents and collections from potential damage or loss. The code outlines a comprehensive protection program to address fire prevention; fire protection management; security; emergency preparedness; and inspection, testing, and maintenance of protection systems.

The code also addresses ongoing operations and rehabilitation, acknowledging the need to provide continuity of operations and to preserve culturally significant and character-defining building features and sensitive, often irreplaceable, collections.

Additions to the 2021 edition of NFPA 909 include the following:

• References to the emergency action plan requirements of NFPA 101^®, Life Safety Code^®
• Vulnerability assessment criteria for cyberattacks and active shooter events
• References to ASTM E119 and UL 263 to assist with determining fire resistance rating
• References to NFPA 241, Standard for Safeguarding Construction, Alteration, and Demolition Operations
• Expanded requirements for the protection of wet collections
• Guidance on the selection of fire protection contractors
• New loss data and illustrative fire information
• New information on the effects of extinguishing agents on cultural resource materials

Anyone whose work involves culturally significant properties, such as owners, operators, insurance adjusters, AHJs, and more, should consider using the 2021 edition of NFPA 909.