Commercial Connections Ltd supplies the ARC Fire and Acoustic Party Wall DPC for closing external cavities, both vertically at the junction and horizontally at separating floor levels.


  • Fits semi-detached, apartments and major projects specification
  • Complies with Robust Detail Part E
  • May be manufactured to suit cavity widths up to 300mm

The Party Wall DPC fulfils building regulation requirements of a mineral wool closer for acoustic insulation requirements and is able to restrict the spread of flames along the cavity with a four hour fire integrity.