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R-728 — Glass Fiber Board
- Material Id
- Glass Fiber Board
- Record Id
- 728
- Date
- 2/9/1950
- Delta T (F)
- 22.8
- Delta X (in)
- 1.2589
- Density (lb/ft3)
- 11.74
- Description
- Roof insulation, 1¼ in.
- K W Mk (W/mK)
- 0.2402
- Manufacturer
- Owens Corning Fiberglas Corp.
- Material
- Glass Fiber Board
- Mean Temp (F)
- 52.79
- R Value per Inch (ft2hF/BTU/in)
- 0.600449
- Rsi per Inch (m2K/W/in)
- 0.105745
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177
Source: NIST SRD 81 API