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Insulation R Values: concrete
1272 to 1494
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| concrete | 1272 | 5/4/1961 | 22.37 | 0.9768 | 40.1 | Aggregate - vermiculite | Block | 1.5002 | Concrete | 72.83 | 0.096139 | 0.016931 | NIST SRD 81 API | ASTM C 177 |
| concrete | 1293 | 9/18/1961 | 23.17 | 1.021 | 41.14 | Aggregate - vermiculite | Block | 1.4701 | Concrete | 73.3 | 0.098108 | 0.017278 | NIST SRD 81 API | ASTM C 177 |
| concrete | 1302 | 10/6/1961 | 23.97 | 0.9941 | 31.62 | Aggregate - perlite | Block | 0.7807 | Concrete | 73.84 | 0.184742 | 0.032535 | NIST SRD 81 API | ASTM C 177 |
| concrete | 1419 | 2/6/1963 | 24.26 | 1.0107 | 34.75 | Aggregate - perlite | Block | 0.9277 | Concrete | 75.28 | 0.155468 | 0.02738 | NIST SRD 81 API | ASTM C 177 |
| concrete | 1420 | 2/7/1963 | 24.21 | 0.9908 | 32.78 | Aggregate - perlite | Block | 0.9199 | Concrete | 75.22 | 0.156786 | 0.027612 | NIST SRD 81 API | ASTM C 177 |
| concrete | 1478 | 12/5/1963 | 24.31 | 0.9941 | 35.8 | Aggregate - perlite | Block | 1.0192 | Concrete | 75.23 | 0.141511 | 0.024922 | NIST SRD 81 API | ASTM C 177 |
| concrete | 1479 | 12/6/1963 | 24.16 | 0.9904 | 33.4 | Aggregate - perlite | Block | 0.8437 | Concrete | 75.08 | 0.170947 | 0.030105 | NIST SRD 81 API | ASTM C 177 |
| concrete | 1492 | 1/2/1964 | 24.4 | 1 | 36.47 | Aggregate - perlite | Block | 0.9651 | Concrete | 75.42 | 0.149443 | 0.026319 | NIST SRD 81 API | ASTM C 177 |
| concrete | 1493 | 1/3/1964 | 24.46 | 0.9867 | 34.37 | Aggregate - perlite | Block | 0.8114 | Concrete | 75.5 | 0.177752 | 0.031304 | NIST SRD 81 API | ASTM C 177 |
| concrete | 1494 | 1/8/1964 | 24.21 | 0.9937 | 37.39 | Aggregate - perlite | Block | 1.089 | Concrete | 75.14 | 0.132441 | 0.023324 | NIST SRD 81 API | ASTM C 177 |
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