ThermaCork 100% Natural Insulation: 1/2" Standard Grade

• Thermal Resistance: R-4/inch
• Density: 7.0-7.5 lbs/ft3
• Permeability:
  • 1 1/2" thickness: 2.15 US perms
  • 2" thickness: 2.04 US perms
  • 4" thickness: 1.26 US perms
• Fire Resistance: Class B (E84 test)
• 24 pieces per box

Each panel measures  39.37" high x 19.685" wide (Metric: 1 meter wide x 1/2 meter wide) - thickness is as stated.

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