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R-1477 — Fiberboard

Material Id
Fiberboard
Record Id
1477
Date
12/4/1963
Delta T (F)
24.37
Delta X (in)
0.9987
Density (lb/ft3)
19.5
Description
Insulation Board for Roof deck, 1 in.
Form
Board
K W Mk (W/mK)
0.396
Material
Fiberboard
Mean Temp (F)
75.13
R Value per Inch (ft2hF/BTU/in)
0.364212
Rsi per Inch (m2K/W/in)
0.064141
Standard
Nist Srd 81 API
Test Method
ASTM C 177

Source: NIST SRD 81 API

fiberboard — record id 1477 · rsi per inch 0.0641414 m2K/W/in · r value per inch 0.364212 ft2hF/BTU/in · k w mk 0.396 W/mK · date 12/4/1963 | Insulation R Values | Engineering Database