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R-1474 — Glass Fiber Board
- Material Id
- Glass Fiber Board
- Record Id
- 1474
- Date
- 11/26/1963
- Delta T (F)
- 24.36
- Delta X (in)
- 1.4516
- Density (lb/ft3)
- 15.89
- Description
- Roof insulation, Asphalt Coating (one face), 1.4 in.
- K W Mk (W/mK)
- 0.277
- Material
- Glass Fiber Board
- Mean Temp (F)
- 75.13
- R Value per Inch (ft2hF/BTU/in)
- 0.520678
- Rsi per Inch (m2K/W/in)
- 0.091697
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177
Source: NIST SRD 81 API