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Insulation R Values: glass fiber board
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) | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| glass fiber board | 987 | 5/5/1955 | 24.17 | 1.2858 | 8.69 | 0.2499 | Glass Fiber Board | 73.75 | 0.577142 | 0.101641 | NIST SRD 81 API | ASTM C 177 |
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