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R-1081 — Fiberboard

Material Id
Fiberboard
Record Id
1081
Date
11/13/1957
Delta T (F)
24.29
Delta X (in)
0.9829
Density (lb/ft3)
14.47
Description
Roof Insulation (Driruf), 1 in.
Form
Board
K W Mk (W/mK)
0.3313
Manufacturer
Kaiser Gypsum Company, Inc.
Material
Fiberboard
Mean Temp (F)
74.04
R Value per Inch (ft2hF/BTU/in)
0.435339
Rsi per Inch (m2K/W/in)
0.076668
Standard
Nist Srd 81 API
Test Method
ASTM C 177
Trade Name
Kaiser

Source: NIST SRD 81 API

fiberboard — record id 1081 · rsi per inch 0.0766677 m2K/W/in · r value per inch 0.435339 ft2hF/BTU/in · k w mk 0.3313 W/mK · date 11/13/1957 | Insulation R Values | Engineering Database