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).
Performance is not affected by movement in the building, shrinkage or thermal change
Can be used vertically or horizontally
Easy to install
TCB Cavity Barrier 65mm X 65mm X 1200mm. Contains 45 sheets in a pack and has a coverage of 3.51 metre squared.