Visqueen Zedex CPT High Performance Damp Proof Course (DPC) and Pre-formed Units (also known as cloaks or top hats) are manufactured from co-polymer thermoplastic (CPT) providing all the characteristics necessary for it to perform effectively for the lifetime of the building in which it is incorporated.


  • Outperforms all other high performance flexible DPCs
  • Contains no hazardous pitch or PVC plasticizers
  • Excellent tear resistance under high compressive loads
  • Low permeability to Radon and Carbon Dioxide gases
  • BBA Certificate No.94/3059