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R-175 — Fiberboard Wood

Material Id
Fiberboard Wood
Record Id
175
Date
5/24/1940
Delta X (in)
0.51
Density (lb/ft3)
16.3
Description
Wood fiber, felted, ½ in.
Form
Board
K W Mk (W/mK)
0.357
Manufacturer
U.S. Gypsum Co.
Material
Fiberboard, Wood
Mean Temp (F)
88.8
R Value per Inch (ft2hF/BTU/in)
0.404
Rsi per Inch (m2K/W/in)
0.071148
Standard
Nist Srd 81 API
Trade Name
Weatherwood

Source: NIST SRD 81 API

fiberboard_wood — record id 175 · date 5/24/1940 · rsi per inch 0.0711485 m2K/W/in · r value per inch 0.404 ft2hF/BTU/in · k w mk 0.357 W/mK | Insulation R Values | Engineering Database