Thermacork 100% Natural Insulation: 1" 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)
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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