ARC TCB is offered by Commercial Connections Ltd for external timber frame walls to restrict the spread of smoke and flames.


  • Fits semi-detached, apartments and major projects specification
  • Complies with Robust Detail Part E and Building Regulations
  • May be manufactured to suit cavity widths up to 150mm
  • Options available for timber to brickwork and timber to timber

ARC's TCBs are manufactured from low resin, non-combustible rockfibre mineral wool, sleeved in polythene for on-site protection. They are easy to install, while providing up to one hour of fire integrity.