| Table 1: KOP-R Roof Insulation |
| KOP-R Roof Insulation | |||
| Standard Thickness and Thermal Values* | |||
| Nominal Thickness | KOP-R ISO | ||
| (Inches) | (mm) | R-Value¹ | RSI² |
| 1.0 | 25.4 | 6.0 | 1.1 |
| 1.5 | 38.1 | 10.0 | 1.8 |
| 1.8 | 45.7 | 12.5 | 2.2 |
| 2.0 | 50.8 | 14.3 | 2.5 |
| 2.5 | 63.5 | 18.0 | 3.2 |
| 2.7 | 68.6 | 20.0 | 3.5 |
| 3.0 | 76.2 | 22.0 | 3.9 |
| 3.4 | 86.4 | 25.0 | 4.4 |
| 4.0 | 101.6 | 30.0 | 5.3 |
¹Conditioned Thermal Values were determined by ASTM Test Method C 518 at 75°F mean temperature. All test specimens (foam portion) were conditioned in accordance with procedures outlined in PIMA Bulletin #101 & RIC/TIMA Bulletin #281-1.
²CAN/CGSB thermal values were determined by ASTM C 177 or C 518 in accordance with the conditioning procedure outlined in CAN/CGSB Standard 51.26-M86.
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