To ensure you are supplied AIR-CELL® as specified, always document as follows:
AIR-CELL Permishield®
The insulation material shall be breathable AIR-CELL Permishield® (specify as Permishield® 65 or Permishield ® 80) fibre-free, closed-cell foam, reflective insulation as manufactured by AIR-CELL Insulation, and shall be installed as recommended by AIR-CELL Insulation’s Installation Instructions as detailed in its Technical & Specifications Guide.