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R-894 — Fiberboard
- Material Id
- Fiberboard
- Record Id
- 894
- Date
- 5/18/1953
- Delta T (F)
- 35.05
- Delta X (in)
- 1.4783
- Density (lb/ft3)
- 15.95
- Description
- Roof insulation, 1½ in.
- Form
- Board
- K W Mk (W/mK)
- 0.3799
- Material
- Fiberboard
- Mean Temp (F)
- 74.02
- R Value per Inch (ft2hF/BTU/in)
- 0.379647
- Rsi per Inch (m2K/W/in)
- 0.06686
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177
Source: NIST SRD 81 API