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Insulation R Values: concrete
1800 to 2171
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 | 1800 | 10/14/1969 | 18.67 | 1.0237 | 90.74 | Block (CMU), samples (B1,B2) | Block | 3.1675 | — | Concrete | 89.57 | 0.045534 | 0.008019 | NIST SRD 81 API | ASTM C 177 | — |
| concrete | 1801 | 10/15/1969 | 18.95 | 1.0237 | 90.66 | Block (CMU), samples (B1,B2) | Block | 3.0821 | — | Concrete | 48.86 | 0.046795 | 0.008241 | NIST SRD 81 API | ASTM C 177 | — |
| concrete | 181 | 6/10/1940 | — | 1.062 | 28.7 | Aggregate - vermiculite, 8:1 mix | Block | 0.92 | Masonite Corp., Vermiculite Product Division | Concrete | 89.2 | 0.156769 | 0.027609 | NIST SRD 81 API | — | — |
| concrete | 1851 | 4/10/1973 | 24.49 | 0.6654 | 10.32 | Aggregate - perlite | Block | 0.3542 | — | Concrete | 75.73 | 0.407193 | 0.071711 | NIST SRD 81 API | ASTM C 177 | — |
| concrete | 202 | 7/31/1940 | — | 1.04 | 31.3 | Aggregate - vermiculite, 5:1 mix | Block | 0.964 | Munn and Steele, Inc. (J.G. Roys & Sons) | Concrete | 96.4 | 0.149614 | 0.026349 | NIST SRD 81 API | — | Mascrete® |
| concrete | 214 | 10/3/1940 | — | 1.034 | 27.1 | Aggregate - vermiculite, 5:1 mix | Block | 0.851 | Munn and Steele, Inc. | Concrete | 97.4 | 0.16948 | 0.029847 | NIST SRD 81 API | — | Mascrete® |
| concrete | 2168 | 7/12/1982 | 15.75 | 0.7654 | 93.01 | Cinder block (CMU), ground flat and parallel | Block | 3.8775 | — | Concrete | 74.88 | 0.037196 | 0.006551 | NIST SRD 81 API | ASTM C 177 | — |
| concrete | 2169 | 7/16/1982 | 12.64 | 0.7318 | 120.03 | Sample (4a,4b) | Block | 7.1745 | — | Concrete | 71.39 | 0.020103 | 0.00354 | NIST SRD 81 API | ASTM C 177 | — |
| concrete | 2170 | 7/19/1982 | 12.72 | 0.7481 | 140.03 | Aggregate - gravel, samples (2a,2b) | Block | 9.4909 | — | Concrete | 72.63 | 0.015196 | 0.002676 | NIST SRD 81 API | ASTM C 177 | — |
| concrete | 2171 | 7/20/1982 | 12.55 | 0.7522 | 145.51 | Aggregate - gravel, samples (1a,1b) | Block | 10.0211 | — | Concrete | 72.35 | 0.014392 | 0.002535 | NIST SRD 81 API | ASTM C 177 | — |
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