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R-139 — Fiberboard Wood
- Material Id
- Fiberboard Wood
- Record Id
- 139
- Date
- 6/20/1939
- Delta X (in)
- 0.543
- Description
- Wood fiber, felted, Specimens (G1,G2), ½ in.
- Form
- Board
- K W Mk (W/mK)
- 0.36
- Manufacturer
- Fir-Tex Insulating Board Co.
- Material
- Fiberboard, Wood
- Mean Temp (F)
- 95.4
- R Value per Inch (ft2hF/BTU/in)
- 0.400633
- Rsi per Inch (m2K/W/in)
- 0.070556
- Standard
- Nist Srd 81 API
- Trade Name
- Fir-Tex
Source: NIST SRD 81 API