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Insulation R Values: plaster
727 to 733
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| plaster | 727 | 2/8/1950 | 5.46 | 1.0011 | 104.12 | Sand plaster, 2:1 by volume | Block | 5.5455 | Plaster | 53.22 | 0.026008 | 0.00458 | NIST SRD 81 API | ASTM C 177 |
| plaster | 731 | 3/2/1950 | 18.81 | 1.0074 | 43.56 | Vermiculite plaster, 3:1 by volume | Block | 1.6267 | Plaster | 64.23 | 0.088663 | 0.015614 | NIST SRD 81 API | ASTM C 177 |
| plaster | 732 | 3/3/1950 | 21.72 | 1.0019 | 42.56 | Perlite plaster, 3:1 by volume | Block | 1.3515 | Plaster | 66.69 | 0.106717 | 0.018794 | NIST SRD 81 API | ASTM C 177 |
| plaster | 733 | 3/7/1950 | 5.21 | 1.0021 | 107.4 | Sand plaster, 3:1 by volume | Block | 5.7784 | Plaster | 51.83 | 0.02496 | 0.004396 | NIST SRD 81 API | ASTM C 177 |
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