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Insulation R Values: rock wool
43 to 686
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 | test method | trade name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| rock wool | 43 | 10/19/1936 | — | — | 7 | — | Blanket | 0.27 | Celotex Co. | Rock Wool | 95 | 0.534177 | 0.094074 | NIST SRD 81 API | — | — |
| rock wool | 433 | 7/6/1945 | 21.03 | 1.0705 | 15.41 | Rock wool fibers felted, bonded (asphaltic binder) | Board | 0.3141 | Baldwin Hill Co. | Rock Wool | 107.03 | 0.459178 | 0.080866 | NIST SRD 81 API | ASTM C 177 | Koldboard® |
| rock wool | 46 | 8/6/1936 | — | — | 4.3 | Rock wool batt | Blanket | 0.27 | Philip Carey Mfg. Co. | Rock Wool | 98 | 0.534177 | 0.094074 | NIST SRD 81 API | — | — |
| rock wool | 47 | 8/6/1936 | — | — | 5.3 | Rock wool batt, emulsified stearic acid | Blanket | 0.26 | Riverton Lime and Stone Co. | Rock Wool | 98 | 0.554723 | 0.097692 | NIST SRD 81 API | — | — |
| rock wool | 48 | 8/6/1936 | — | — | 2.8 | Rock wool batt, stearic acid | Blanket | 0.27 | Riverton Lime and Stone Co. | Rock Wool | 98 | 0.534177 | 0.094074 | NIST SRD 81 API | — | — |
| rock wool | 54 | 6/24/1936 | — | 1.07 | 15 | Rock wool, asphalt binder | Board | 0.34 | Johns Manville | Rock Wool | 75 | 0.4242 | 0.074706 | NIST SRD 81 API | — | Rock Cork® |
| rock wool | 61 | 6/17/1937 | — | — | 11.5 | Rock wool, loose fill | Loose | 0.27 | Union Rock Wool Co. | Rock Wool | 94 | 0.534177 | 0.094074 | NIST SRD 81 API | — | — |
| rock wool | 62 | 1937 | — | — | 9.8 | — | Board | 0.27 | — | Rock Wool | 90 | 0.534177 | 0.094074 | NIST SRD 81 API | — | — |
| rock wool | 66 | 8/25/1938 | — | — | 6.4 | — | Blanket | 0.27 | — | Rock Wool | 75 | 0.534177 | 0.094074 | NIST SRD 81 API | — | — |
| rock wool | 686 | 8/16/1949 | 26 | 0.9877 | 3.649 | Fine fiber, little shot, specimen compressed | Blanket | 0.2431 | Johns Manville | Rock Wool | 42.4 | 0.593286 | 0.104484 | NIST SRD 81 API | ASTM C 177 | — |
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