ARDEX Polyiso Roofing Insulation

Product Description

ARDEX POLYISO flat board roofing insulation consists of a closed-cell polyiso foam core laminated to black glass reinforced mat facer on both surfaces. ARDEX Polyiso insulation provides outstanding thermal performance on commercial roofing applications. All ARDEX Polyiso insulation boards incorporate a HCFC-free blowing agent that does not contribute to the depletion of the ozone (ODP-free). The ARDEX Polyiso is suitable for adhered, ballasted and mechanically fastened single-ply roofing systems. It provides outstanding thermal resistance, dimensional and compressive strength.


  • Excellent thermal resistance
  • High compressive strength
  • Compatible with ARDEX water-based bonding adhesives
  • Compatible with ballasted, fully adhered, and mechanically attached single-ply systems
  • Available in flat boards of 1.22m x 2.25m and in thicknesses ranging from 25.4mm to 101.6mm
  • ARDEX TPO roofing systems installed over ARDEX POLYISO obtain BROOF(t1) fire rating



  • Steel
  • Wood
  • Concrete



External roofing applications (covered)