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R-213 — Fiberboard Wood

Material Id
Fiberboard Wood
Record Id
213
Date
9/23/1940
Delta X (in)
0.503
Density (lb/ft3)
17.2
Description
Wood fiber, felted, ½ in.
Form
Board
K W Mk (W/mK)
0.356
Manufacturer
U.S. Gypsum Co.
Material
Fiberboard, Wood
Mean Temp (F)
94.5
R Value per Inch (ft2hF/BTU/in)
0.405135
Rsi per Inch (m2K/W/in)
0.071348
Standard
Nist Srd 81 API
Trade Name
Weatherwood

Source: NIST SRD 81 API

fiberboard_wood — record id 213 · date 9/23/1940 · rsi per inch 0.0713483 m2K/W/in · r value per inch 0.405135 ft2hF/BTU/in · k w mk 0.356 W/mK | Insulation R Values | Engineering Database