Cavity barrier
A construction within a cavity, other than a smoke curtain, to perform either of the following functions. • Close a cavity to stop smoke or flame entering. • Restrict the movement of smoke or flame within a cavity.
Approved Document B Volumes 1 and 2, Appendix A (page 133, page 144)
Related terms
Definitions are taken from Approved Document B (fire safety). Contains public sector information licensed under the Open Government Licence v3.0.
Read it in context.
Fire Guidance Genius lets your team select any term in a document and see its definition, share notes on the clause, and ask an AI Assistant that shows its sources.