Insulation R Values: plywood
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) | test method |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| plywood | 1253 | 12/19/1960 | 25.18 | 1.4805 | 34.03 | Specimens (X,Y) | Board | 0.7604 | Weyerhaeuser Co. | Plywood | 74.35 | 0.189674 | 0.033403 | ASTM C 177 |
| plywood | 1254 | 12/20/1960 | 22.76 | 1.4794 | 34.03 | Specimens (X,Y) | Board | 0.734 | Weyerhaeuser Co. | Plywood | 52.54 | 0.196496 | 0.034605 | ASTM C 177 |
| plywood | 1255 | 12/21/1960 | 25.23 | 1.4822 | 34.61 | Specimens (A,B) | Board | 0.759 | Weyerhaeuser Co. | Plywood | 74.4 | 0.190024 | 0.033465 | ASTM C 177 |
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