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Insulation R Values: fiberboard wood
235 to 252
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 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 | trade name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| fiberboard wood | 235 | 2/18/1941 | 0.5 | 18.2 | Wood fiber, felted, ½ in. | Board | 0.371 | National Gypsum Co. | Fiberboard, Wood | 76.6 | 0.388754 | 0.068464 | NIST SRD 81 API | Gold Bond® |
| fiberboard wood | 236 | 2/21/1941 | 0.49 | 19.1 | Wood fiber, felted, ½ in. | Board | 0.383 | National Gypsum Co. | Fiberboard, Wood | 77.9 | 0.376574 | 0.066319 | NIST SRD 81 API | Gold Bond® |
| fiberboard wood | 237 | 2/24/1941 | 1.03 | 12.9 | Wood fiber, felted | Board | 0.335 | Fir-Tex Insulating Board Co. | Fiberboard, Wood | 78.8 | 0.430531 | 0.075821 | NIST SRD 81 API | Fir-Tex |
| fiberboard wood | 238 | 2/25/1941 | 0.49 | 20 | Wood fiber, felted, ½ in. | Board | 0.384 | National Gypsum Co. | Fiberboard, Wood | 76.3 | 0.375593 | 0.066146 | NIST SRD 81 API | Gold Bond® |
| fiberboard wood | 239 | 2/26/1941 | 0.5 | 19.6 | Wood fiber, felted, ½ in. | Board | 0.383 | National Gypsum Co. | Fiberboard, Wood | 78 | 0.376574 | 0.066319 | NIST SRD 81 API | Gold Bond® |
| fiberboard wood | 240 | 2/27/1941 | 0.53 | 19.3 | Wood fiber, felted, ½ in. | Board | 0.383 | National Gypsum Co. | Fiberboard, Wood | 77.7 | 0.376574 | 0.066319 | NIST SRD 81 API | Gold Bond® |
| fiberboard wood | 244 | 4/21/1941 | 0.98 | 17.2 | Wood fiber, felted, 2-ply, 1 in. | Board | 0.358 | Fir-Tex Insulating Board Co. | Fiberboard, Wood | 88 | 0.402871 | 0.07095 | NIST SRD 81 API | Fir-Tex |
| fiberboard wood | 245 | 4/23/1941 | 0.51 | 18.6 | Wood fiber, felted, ½ in. | Board | 0.379 | National Gypsum Co. | Fiberboard, Wood | 90.9 | 0.380549 | 0.067018 | NIST SRD 81 API | Gold Bond® |
| fiberboard wood | 25 | 10/17/1933 | 0.922 | 16 | Wood fiber, felted under pressure | Board | 0.365 | Wood Conversion Co. | Fiberboard, Wood | 82.8 | 0.395145 | 0.069589 | NIST SRD 81 API | Nu-Wood® |
| fiberboard wood | 252 | 7/18/1941 | 0.508 | 18.1 | Wood fiber, felted under pressure | Board | 0.371 | Wood Conversion Co. | Fiberboard, Wood | 95.7 | 0.388754 | 0.068464 | NIST SRD 81 API | Nu-Wood® |
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