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R-977 — Fiberboard Wood
- Material Id
- Fiberboard Wood
- Record Id
- 977
- Date
- 2/24/1955
- Delta T (F)
- 23.86
- Delta X (in)
- 0.9231
- Density (lb/ft3)
- 16.02
- Description
- Asphalt Coating (both faces), Split in Half
- Form
- Board
- K W Mk (W/mK)
- 0.3536
- Manufacturer
- Johns Manville
- Material
- Fiberboard, Wood
- Mean Temp (F)
- 73.58
- R Value per Inch (ft2hF/BTU/in)
- 0.407884
- Rsi per Inch (m2K/W/in)
- 0.071833
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177
- Trade Name
- Roofinsul®
Source: NIST SRD 81 API