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Insulation R Values: corkboard
577 to 612
Insulation R-values and thermal conductivity data from NIST SRD 81 — covers fiberglass, foam, cellulose, mineral wool, and other building insulation materials
| material id | record id | date | delta t (F) | delta x (in) | density (lb/ft3) | description | form | k w mk (W/mK) | manufacturer | material | mean temp (F) | r value per inch (ft2hF/BTU/in) | rsi per inch (m2K/W/in) | standard | test method |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| corkboard | 577 | 6/30/1948 | 23.59 | 0.9859 | 7.26 | ASHVE sample #17 | Board | 0.282 | — | Corkboard | 70.89 | 0.511446 | 0.090071 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 578 | 7/2/1948 | 23.73 | 1.0065 | 6.705 | ASHVE sample #18 | Board | 0.2762 | — | Corkboard | 70.94 | 0.522186 | 0.091962 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 579 | 7/7/1948 | 25.36 | 1.0037 | 6.705 | ASHVE sample #18 | Board | 0.2564 | — | Corkboard | 23.16 | 0.562511 | 0.099064 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 580 | 7/9/1948 | 25.36 | 1.0038 | 6.705 | ASHVE sample #18 | Board | 0.2574 | — | Corkboard | 23.43 | 0.560326 | 0.098679 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 583 | 8/12/1948 | 23.51 | 1.0042 | 7.615 | ASHVE sample #19 | Board | 0.2865 | — | Corkboard | 71.02 | 0.503413 | 0.088656 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 595 | 9/3/1948 | 24.6 | 1.005 | 7.564 | ASHVE sample #19 | Board | 0.2728 | — | Corkboard | 40.5 | 0.528695 | 0.093109 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 597 | 9/9/1948 | 21.97 | 1.0057 | 7.564 | ASHVE sample #19 | Board | 0.3066 | — | Corkboard | 129.26 | 0.470411 | 0.082844 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 60 | 1/30/1936 | — | — | 27 | — | Board | 0.46 | — | Corkboard | 75 | 0.313539 | 0.055217 | NIST SRD 81 API | — |
| corkboard | 611 | 10/4/1948 | 11.32 | 0.5013 | 14.19 | Cork conductimeters (old), ½ in. | Board | 0.3279 | Armstrong Cork Co. | Corkboard | 119.45 | 0.439853 | 0.077463 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 612 | 10/5/1948 | 12.13 | 0.5026 | 14.18 | Cork conductimeters (old), ½ in. | Board | 0.3065 | Armstrong Cork Co. | Corkboard | 60.38 | 0.470564 | 0.082871 | NIST SRD 81 API | ASTM C 177 |
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