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R-857 — Fiberboard Wood

Name: Insulation R Values — fiberboard_wood: record id 857 · date 11/14/1952 · rsi per inch 0.0760251 m2K/W/in · r value per inch 0.431691 ft2hF/BTU/in · k w mk 0.3341 W/mK
Creator: Engineering Database

Material Id: Fiberboard Wood
Record Id: 857
Date: 11/14/1952
Delta T (F): 32.34
Delta X (in): 1.505
Density (lb/ft3): 13.66
Description: Roof Insulation
Form: Board
K W Mk (W/mK): 0.3341
Manufacturer: Minnesota and Ontario Paper Co., Insulite Division
Material: Fiberboard, Wood
Mean Temp (F): 79.97
R Value per Inch (ft2hF/BTU/in): 0.431691
Rsi per Inch (m2K/W/in): 0.076025
Standard: Nist Srd 81 API
Test Method: ASTM C 177
Trade Name: Graylite®

Source: NIST SRD 81 API

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fiberboard_wood — record id 857 · date 11/14/1952 · rsi per inch 0.0760251 m2K/W/in · r value per inch 0.431691 ft2hF/BTU/in · k w mk 0.3341 W/mK | Insulation R Values | Engineering Database