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Insulation R Values: corkboard
474 to 506
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 | 474 | 10/16/1946 | 26.17 | 1.468 | 7.47 | Surfaces somewhat rough, 1½ in. | Board | 0.3063 | Fogel Refrig. Co. | Corkboard | 102.68 | 0.470871 | 0.082925 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 475 | 10/17/1946 | 22.82 | 1.5084 | 7.08 | 1½ in. | Board | 0.2983 | Gem Mfg. Co. | Corkboard | 99.66 | 0.483499 | 0.085149 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 494 | 2/18/1947 | 29.27 | 1.0208 | 7.94 | 1 in. | Board | 0.2824 | Armstrong Cork Co. | Corkboard | 84.41 | 0.510722 | 0.089943 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 495 | 2/18/1947 | 34.19 | 1.0208 | 7.94 | 1 in. | Board | 0.2891 | Armstrong Cork Co. | Corkboard | 107.43 | 0.498886 | 0.087859 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 501 | 11/14/1947 | 22.28 | 0.9998 | 7.122 | ASHVE sample #10 | Board | 0.2982 | — | Corkboard | 124.63 | 0.483662 | 0.085178 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 502 | 11/18/1947 | 23.6 | 0.9991 | 7.122 | ASHVE sample #10 | Board | 0.2802 | — | Corkboard | 71.89 | 0.514732 | 0.09065 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 503 | 11/19/1947 | 23.37 | 0.9931 | 6.77 | ASHVE sample #11 | Board | 0.2774 | — | Corkboard | 71.68 | 0.519928 | 0.091565 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 504 | 11/20/1947 | 23.46 | 1.0005 | 6.965 | ASHVE sample #12 | Board | 0.2791 | — | Corkboard | 71.8 | 0.516761 | 0.091007 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 505 | 11/21/1947 | 23.08 | 0.9832 | 8.083 | ASHVE sample #13 | Board | 0.2875 | — | Corkboard | 71.42 | 0.501662 | 0.088348 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 506 | 11/24/1947 | 22.9 | 0.9973 | 7.632 | ASHVE sample #14 | Board | 0.2856 | — | Corkboard | 71.26 | 0.505 | 0.088936 | NIST SRD 81 API | ASTM C 177 |
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