6.9.14 Cavity barriers and firestops
Materials used for cavity barriers and firestops shall be capable of producing adequate resistance to fire and smoke.
Materials are acceptable where they are:
- specified in Building Regulations
- assessed in accordance with Technical Requirement R3.
Systems incorporating proprietary intumescent materials should follow the guidance provided by:
- the Intumescent Fire Seals Association (IFSA)
- the Association for Specialist Fire Protection (ASFP).
Last updated: 2nd January 2024