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Insulation R Values: fiberboard vegetable
115 to 299
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) | manufacturer | material | mean temp (F) | r value per inch (ft2hF/BTU/in) | rsi per inch (m2K/W/in) | standard | trade name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| fiberboard vegetable | 115 | 6/16/1938 | — | 0.519 | 17.4 | Insulation board from spent licorice root | Board | 0.365 | Plastergon Wallboard Co. | Fiberboard, Vegetable | 92.8 | 0.395145 | 0.069589 | NIST SRD 81 API | Lockaire |
| fiberboard vegetable | 13 | 7/28/1933 | — | 1.038 | 8.7 | Flax fiberboard (?), 1 in. | Board | 0.337 | Union Fiber Co. | Fiberboard, Vegetable | 93.2 | 0.427976 | 0.075371 | NIST SRD 81 API | Linaboard |
| fiberboard vegetable | 17 | 8/17/1933 | — | 0.926 | 14.4 | Flax and rye fibers, felted, forming a rigid board, 1 in. | Board | 0.324 | — | Fiberboard, Vegetable | 92.6 | 0.445148 | 0.078395 | NIST SRD 81 API | Fibrofelt |
| fiberboard vegetable | 22 | 9/19/1933 | — | 1.181 | 13.9 | Flax fiber, forming a semi-rigid board | Board | 0.338 | — | Fiberboard, Vegetable | 86.7 | 0.42671 | 0.075148 | NIST SRD 81 API | Flaxlinum |
| fiberboard vegetable | 24 | 9/22/1933 | — | 1.285 | 13.5 | Insulation board from corn stalk | Board | 0.359 | Maizewood Insulation Co. | Fiberboard, Vegetable | 86.2 | 0.401749 | 0.070752 | NIST SRD 81 API | MaizewoodNR |
| fiberboard vegetable | 26 | 10/18/1933 | — | 1.33 | 14 | Insulation board from corn stalk | Board | 0.36 | Maizewood Insulation Co. | Fiberboard, Vegetable | 92.6 | 0.400633 | 0.070556 | NIST SRD 81 API | MaizewoodNR |
| fiberboard vegetable | 299 | 7/29/1942 | 17.4 | 1.054 | 20.79 | Cabbage palm board (Eppolith plaster board), 1 in. | Board | 0.4458 | — | Fiberboard, Vegetable | 98.89 | 0.323526 | 0.056976 | NIST SRD 81 API | Cabbage Palm |
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