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R-906 — Fiberboard

Material Id
Fiberboard
Record Id
906
Date
7/10/1953
Delta T (F)
33.92
Delta X (in)
1.4687
Density (lb/ft3)
13.1
Description
Roof insulation, 1½ in.
Form
Board
K W Mk (W/mK)
0.3134
Material
Fiberboard
Mean Temp (F)
74.05
R Value per Inch (ft2hF/BTU/in)
0.460204
Rsi per Inch (m2K/W/in)
0.081047
Standard
Nist Srd 81 API
Test Method
ASTM C 177

Source: NIST SRD 81 API

fiberboard — record id 906 · rsi per inch 0.0810466 m2K/W/in · r value per inch 0.460204 ft2hF/BTU/in · k w mk 0.3134 W/mK · date 7/10/1953 | Insulation R Values | Engineering Database