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Insulation R Values: corkboard
507 to 517
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 | 507 | 11/25/1947 | 23.51 | 0.9546 | 13.453 | ASHVE sample #1 | Board | 0.3063 | Corkboard | 71.81 | 0.470871 | 0.082925 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 508 | 11/26/1947 | 23.76 | 1.0039 | 7.163 | ASHVE sample #2 | Board | 0.2797 | Corkboard | 72.03 | 0.515652 | 0.090812 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 509 | 11/28/1947 | 23.27 | 1.0011 | 6.945 | ASHVE sample #3 | Board | 0.2797 | Corkboard | 71.57 | 0.515652 | 0.090812 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 511 | 12/2/1947 | 23.16 | 0.9478 | 13.108 | ASHVE sample #4 | Board | 0.312 | Corkboard | 71.51 | 0.462269 | 0.08141 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 513 | 12/4/1947 | 23.17 | 0.9854 | 7.41 | ASHVE sample #5 | Board | 0.2845 | Corkboard | 71.48 | 0.506952 | 0.089279 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 514 | 12/5/1947 | 23.45 | 0.9796 | 7.068 | ASHVE sample #6 | Board | 0.2783 | Corkboard | 71.73 | 0.518246 | 0.091268 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 516 | 12/9/1947 | 23.77 | 1.005 | 7.097 | ASHVE sample #7 | Board | 0.2804 | Corkboard | 72.02 | 0.514365 | 0.090585 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 517 | 12/10/1947 | 23.59 | 0.991 | 8.035 | ASHVE sample #8 | Board | 0.2873 | Corkboard | 71.86 | 0.502011 | 0.088409 | NIST SRD 81 API | ASTM C 177 |
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