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R-973 — Fiberboard Wood

Material Id
Fiberboard Wood
Record Id
973
Date
2/10/1955
Delta T (F)
33.8
Delta X (in)
1.4774
Density (lb/ft3)
15.27
Description
Wood fiber, Felted
Form
Board
K W Mk (W/mK)
0.342
Manufacturer
Johns Manville
Material
Fiberboard, Wood
Mean Temp (F)
74.46
R Value per Inch (ft2hF/BTU/in)
0.421719
Rsi per Inch (m2K/W/in)
0.074269
Standard
Nist Srd 81 API
Test Method
ASTM C 177
Trade Name
Roofinsul®

Source: NIST SRD 81 API

fiberboard_wood — record id 973 · date 2/10/1955 · rsi per inch 0.074269 m2K/W/in · r value per inch 0.421719 ft2hF/BTU/in · k w mk 0.342 W/mK | Insulation R Values | Engineering Database