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R-1155 — Fiberboard

Name: Insulation R Values — fiberboard: record id 1155 · rsi per inch 0.0731356 m2K/W/in · r value per inch 0.415283 ft2hF/BTU/in · k w mk 0.3473 W/mK · date 8/4/1959
Creator: Engineering Database

Material Id: Fiberboard
Record Id: 1155
Date: 8/4/1959
Delta T (F): 22.82
Delta X (in): 0.9548
Density (lb/ft3): 16.19
Description: Asphalt Coating (both faces), 1 in.
Form: Board
K W Mk (W/mK): 0.3473
Material: Fiberboard
Mean Temp (F): 72.01
R Value per Inch (ft2hF/BTU/in): 0.415283
Rsi per Inch (m2K/W/in): 0.073136
Standard: Nist Srd 81 API
Test Method: ASTM C 177

Source: NIST SRD 81 API

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