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Insulation R Values: glass fiber board
811 to 841
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 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| glass fiber board | 811 | 11/21/1951 | 22.11 | 1.0025 | 5.6 | B-X material, hot surfaces black, cold surfaces non-reflective | 0.2182 | Owens Corning Fiberglas Corp. | Glass Fiber Board | 72.64 | 0.660989 | 0.116407 | NIST SRD 81 API | ASTM C 177 |
| glass fiber board | 814 | 12/5/1951 | 23.44 | 1.0053 | 5.631 | B-X material | 0.2056 | Owens Corning Fiberglas Corp. | Glass Fiber Board | 40.3 | 0.701498 | 0.123541 | NIST SRD 81 API | ASTM C 177 |
| glass fiber board | 815 | 12/7/1951 | 24.28 | 1.0056 | 5.631 | B-X material | 0.2055 | Owens Corning Fiberglas Corp. | Glass Fiber Board | 40.6 | 0.701839 | 0.123601 | NIST SRD 81 API | ASTM C 177 |
| glass fiber board | 816 | 12/10/1951 | 21.14 | 1.0053 | 5.631 | B-X material | 0.242 | Owens Corning Fiberglas Corp. | Glass Fiber Board | 127.2 | 0.595983 | 0.104959 | NIST SRD 81 API | ASTM C 177 |
| glass fiber board | 817 | 12/11/1951 | 21.33 | 1.0063 | 5.631 | B-X material | 0.2413 | Owens Corning Fiberglas Corp. | Glass Fiber Board | 127.19 | 0.597712 | 0.105263 | NIST SRD 81 API | ASTM C 177 |
| glass fiber board | 819 | 2/7/1952 | 25.53 | 1.2843 | 12 | Roof insulation, asphalt coating (one face), 1¼ in. | 0.2541 | Owens Corning Fiberglas Corp. | Glass Fiber Board | 74.17 | 0.567603 | 0.099961 | NIST SRD 81 API | ASTM C 177 |
| glass fiber board | 825 | 3/20/1952 | 23.34 | 0.8777 | 4.17 | PF-450 fine fiber material | 0.2209 | — | Glass Fiber Board | 68.07 | 0.65291 | 0.114984 | NIST SRD 81 API | ASTM C 177 |
| glass fiber board | 826 | 3/21/1952 | 24.84 | 0.8715 | 4.199 | PF-450 fine fiber material | 0.2069 | — | Glass Fiber Board | 40.64 | 0.69709 | 0.122765 | NIST SRD 81 API | ASTM C 177 |
| glass fiber board | 827 | 3/25/1952 | 21.82 | 0.8756 | 4.18 | PF-450 fine fiber material | 0.2521 | — | Glass Fiber Board | 128.07 | 0.572106 | 0.100754 | NIST SRD 81 API | ASTM C 177 |
| glass fiber board | 841 | 8/28/1952 | 22.69 | 1.0029 | 5.656 | B-X material | 0.2173 | — | Glass Fiber Board | 68.84 | 0.663727 | 0.116889 | NIST SRD 81 API | ASTM C 177 |
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