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ROCKWOOL Cavity Barriers - TCB Cavity Barrier and PWCB Cavity Barrier - have been developed to exceed minimum building regulation requirements for fire resistance within concealed wall cavities. Tested and assessed to BS476: Part 20, they provide up to 60 minutes fire resistance (integrity and insulation).
Benefits
- Performance is not affected by movement in the building, shrinkage or thermal change
- Durable
- Can be used vertically or horizontally
- Easy to install
