ARDEX HD Cover Board - High-Density Polyiso Cover Board

Product Description

ARDEX HD Cover Board is a (12.7 mm) thick polyiso insulation designed for use as a cover board. It is a high density, closed-cell, polyisocyanurate foam core that has been manufactured with a coated glass facer. ARDEX HD provides the highest thermal performance when compared to other 12.7mm roof cover boards. ARDEX HD Cover Boards use EPA accepted blowing agents, which incorporates a HCFC-free blowing agent that does not contribute to the depletion of the ozone (ODP-free).


  • Outstanding thermal performance
  • Easy to cut and handle
  • Lightweight
  • 12.7mm thickness
  • 5kg per board


Typical Uses:
For installation over ARDEX insulation before application of ARDEX Waterproofing Membranes.