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R-819 — Glass Fiber Board
- Material Id
- Glass Fiber Board
- Record Id
- 819
- Date
- 2/7/1952
- Delta T (F)
- 25.53
- Delta X (in)
- 1.2843
- Density (lb/ft3)
- 12
- Description
- Roof insulation, Asphalt Coating (one face), 1¼ in.
- K W Mk (W/mK)
- 0.2541
- Manufacturer
- Owens Corning Fiberglas Corp.
- Material
- Glass Fiber Board
- Mean Temp (F)
- 74.17
- R Value per Inch (ft2hF/BTU/in)
- 0.567603
- Rsi per Inch (m2K/W/in)
- 0.099961
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177
Source: NIST SRD 81 API