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Insulation R Values: corkboard
653 to 694
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 | 653 | 1/4/1949 | 21.94 | 1.0045 | 7.564 | ASHVE sample #19 | Board | 0.3076 | Corkboard | 129.07 | 0.468881 | 0.082575 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 654 | 1/5/1949 | 23.8 | 1.0029 | 7.564 | ASHVE sample #19 | Board | 0.2844 | Corkboard | 71.06 | 0.50713 | 0.089311 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 655 | 1/6/1949 | 24.58 | 1.0014 | 7.564 | ASHVE sample #19 | Board | 0.272 | Corkboard | 40.93 | 0.53025 | 0.093382 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 672 | 6/2/1949 | 23.98 | 0.9855 | 7.1 | ASHVE sample #21 | Board | 0.2758 | Corkboard | 71.17 | 0.522944 | 0.092096 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 673 | 6/3/1949 | 24.98 | 0.9836 | 7.1 | ASHVE sample #21 | Board | 0.2635 | Corkboard | 40.57 | 0.547354 | 0.096395 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 674 | 6/6/1949 | 22.3 | 0.989 | 7.1 | ASHVE sample #21 | Board | 0.3003 | Corkboard | 129.68 | 0.480279 | 0.084582 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 693 | 9/2/1949 | 24.16 | 1.0054 | 7.281 | Sample cut from block 36x12x1 in. | Board | 0.2786 | Corkboard | 71.4 | 0.517688 | 0.09117 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 694 | 9/6/1949 | 24.11 | 0.9879 | 7.071 | Sample cut from block 29x12x1½ in. | Board | 0.2824 | Corkboard | 71.38 | 0.510722 | 0.089943 | NIST SRD 81 API | ASTM C 177 |
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