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Insulation R Values: glass fiber board
1589 to 1653
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 | 1589 | 2/24/1965 | 24.16 | 1.4537 | 6.352 | 1½ in. | 0.2021 | Owens Corning Fiberglas Corp. | Glass Fiber Board | 29.34 | 0.713646 | 0.12568 | NIST SRD 81 API | ASTM C 177 |
| glass fiber board | 164 | 5/3/1940 | — | 0.979 | 11.2 | Glass wool, phenolic resin binder | 0.274 | Owens Corning Fiberglas Corp. | Glass Fiber Board | 92.8 | 0.526379 | 0.092701 | NIST SRD 81 API | — |
| glass fiber board | 1645 | 3/22/1966 | 24.12 | 1.0442 | 7.87 | — | 0.2206 | Johns Manville | Glass Fiber Board | 74.44 | 0.653798 | 0.115141 | NIST SRD 81 API | ASTM C 177 |
| glass fiber board | 1646 | 3/23/1966 | 18.99 | 1.0441 | 7.87 | — | 0.1901 | Johns Manville | Glass Fiber Board | -2.21 | 0.758695 | 0.133614 | NIST SRD 81 API | ASTM C 177 |
| glass fiber board | 1647 | 3/25/1966 | 22.79 | 1.046 | 7.856 | — | 0.2455 | Johns Manville | Glass Fiber Board | 129.72 | 0.587486 | 0.103462 | NIST SRD 81 API | ASTM C 177 |
| glass fiber board | 1649 | 5/23/1966 | 24.75 | 1.5422 | 5.236 | Samples tested as received, 1½ in. | 0.2134 | — | Glass Fiber Board | 68.5 | 0.675857 | 0.119025 | NIST SRD 81 API | ASTM C 177 |
| glass fiber board | 1650 | 5/24/1966 | 24.93 | 1.5432 | 5.232 | Samples tested as received, 1½ in. | 0.2055 | — | Glass Fiber Board | 50.27 | 0.701839 | 0.123601 | NIST SRD 81 API | ASTM C 177 |
| glass fiber board | 1651 | 5/25/1966 | 27.41 | 1.5427 | 5.234 | Samples tested as received, 1½ in. | 0.1987 | — | Glass Fiber Board | 32 | 0.725858 | 0.127831 | NIST SRD 81 API | ASTM C 177 |
| glass fiber board | 1652 | 5/27/1966 | 17.81 | 1.0328 | 5.227 | Samples cut to 10 in.x10 in.x1 in. | 0.2126 | — | Glass Fiber Board | 67.9 | 0.6784 | 0.119473 | NIST SRD 81 API | ASTM C 177 |
| glass fiber board | 1653 | 5/31/1966 | 18.19 | 1.0328 | 5.222 | Samples cut to 10 in.x10 in.x1 in. | 0.2053 | — | Glass Fiber Board | 48.55 | 0.702523 | 0.123721 | NIST SRD 81 API | ASTM C 177 |
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