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Insulation R Values: corkboard
10 to 146
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) | material | mean temp (F) | r value per inch (ft2hF/BTU/in) | rsi per inch (m2K/W/in) | standard | test method |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| corkboard | 10 | 5/11/1933 | — | 0.633 | 9.6 | Flake corkboard | Board | 0.297 | Corkboard | 78.4 | 0.485616 | 0.085522 | NIST SRD 81 API | — |
| corkboard | 106 | 9/22/1937 | — | 0.623 | — | — | Board | 0.306 | Corkboard | 104 | 0.471333 | 0.083007 | NIST SRD 81 API | — |
| corkboard | 1085 | 12/2/1957 | 24.35 | 1.034 | 6.284 | — | Board | 0.2731 | Corkboard | 73.66 | 0.528114 | 0.093006 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 11 | 7/11/1933 | — | 0.613 | 9.7 | Flake corkboard | Board | 0.31 | Corkboard | 94.1 | 0.465251 | 0.081935 | NIST SRD 81 API | — |
| corkboard | 1161 | 8/12/1959 | 7.8 | 0.2521 | 16.66 | ¼ in. | Board | 0.376 | Corkboard | 115.39 | 0.383585 | 0.067553 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 12 | 7/21/1933 | — | 0.618 | 10.2 | Flake corkboard | Board | 0.315 | Corkboard | 93.7 | 0.457866 | 0.080635 | NIST SRD 81 API | — |
| corkboard | 132 | 6/7/1939 | — | 0.586 | 7.4 | ½ in. | Board | 0.297 | Corkboard | 93.7 | 0.485616 | 0.085522 | NIST SRD 81 API | — |
| corkboard | 133 | 6/9/1939 | — | 0.586 | 7.4 | ½ in. | Board | 0.298 | Corkboard | 93.7 | 0.483986 | 0.085235 | NIST SRD 81 API | — |
| corkboard | 145 | 7/12/1939 | — | 0.583 | 7.4 | ½ in. | Board | 0.296 | Corkboard | 93.9 | 0.487256 | 0.085811 | NIST SRD 81 API | — |
| corkboard | 146 | 7/14/1939 | — | 0.584 | 7.4 | ½ in. | Board | 0.296 | Corkboard | 94.3 | 0.487256 | 0.085811 | NIST SRD 81 API | — |
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