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R-1058 — Fiberboard
- Material Id
- Fiberboard
- Record Id
- 1058
- Date
- 2/5/1957
- Delta T (F)
- 22.16
- Delta X (in)
- 1.0305
- Density (lb/ft3)
- 12.22
- Description
- Roof insulation, 1 in.
- Form
- Board
- K W Mk (W/mK)
- 0.3376
- Material
- Fiberboard
- Mean Temp (F)
- 71.89
- R Value per Inch (ft2hF/BTU/in)
- 0.427215
- Rsi per Inch (m2K/W/in)
- 0.075237
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177
Source: NIST SRD 81 API