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Insulation R Values: concrete
414 to 487
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 | trade name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| concrete | 414 | 1/13/1945 | 5.07 | 0.9 | 105.69 | Sample (G) | Block | 5.1014 | U.S. Maritime Commission | Concrete | 81.11 | 0.028272 | 0.004979 | NIST SRD 81 API | ASTM C 177 | — |
| concrete | 415 | 1/15/1945 | 4.72 | 0.89 | 109.48 | Sample (C) | Block | 5.4758 | U.S. Maritime Commission | Concrete | 79.75 | 0.026339 | 0.004639 | NIST SRD 81 API | ASTM C 177 | — |
| concrete | 416 | 1/15/1945 | 4.35 | 0.89 | 109.48 | Sample (C) | Block | 5.8845 | U.S. Maritime Commission | Concrete | 79.71 | 0.02451 | 0.004316 | NIST SRD 81 API | ASTM C 177 | — |
| concrete | 417 | 1/15/1945 | 5.69 | 0.93 | 109.48 | Sample (C) | Block | 4.7009 | U.S. Maritime Commission | Concrete | 79.69 | 0.030681 | 0.005403 | NIST SRD 81 API | ASTM C 177 | — |
| concrete | 442 | 11/30/1945 | 4.75 | 0.99 | — | — | Block | 6.71 | University of Florida | Concrete | 86.05 | 0.021494 | 0.003785 | NIST SRD 81 API | ASTM C 177 | — |
| concrete | 482 | 1/27/1947 | 15.77 | 1.0224 | 61.98 | Aggregate - expanded shale, surfaces ground flat, parallel, sample (HA) | Block | 1.8662 | NBS | Concrete | 69.05 | 0.077284 | 0.013611 | NIST SRD 81 API | ASTM C 177 | Haydite |
| concrete | 483 | 1/27/1947 | 17.29 | 1.0561 | 63.08 | Aggregate - expanded slag, surfaces ground flat, parallel, sample (WA) | Block | 1.7672 | NBS | Concrete | 70.48 | 0.081614 | 0.014373 | NIST SRD 81 API | ASTM C 177 | Waylite |
| concrete | 484 | 1/28/1947 | 12.9 | 0.9928 | 71.06 | Aggregate - expanded shale, surfaces ground flat, parallel, sample (HB) | Block | 2.284 | NBS | Concrete | 66.69 | 0.063147 | 0.011121 | NIST SRD 81 API | ASTM C 177 | Haydite |
| concrete | 486 | 1/29/1947 | 13.61 | 1.033 | 73.94 | Aggregate - expanded slag, surfaces ground flat, parallel, sample (WB) | Block | 2.2677 | NBS | Concrete | 67.33 | 0.063601 | 0.011201 | NIST SRD 81 API | ASTM C 177 | Waylite |
| concrete | 487 | 2/4/1947 | 10.35 | 1.0569 | 88.26 | Aggregate - expanded shale, surfaces ground flat, parallel, sample (HC) | Block | 3.0114 | NBS | Concrete | 67.45 | 0.047894 | 0.008435 | NIST SRD 81 API | ASTM C 177 | Haydite |
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