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R-1301 — Fiberboard

Material Id
Fiberboard
Record Id
1301
Date
10/5/1961
Delta T (F)
23.81
Delta X (in)
1.0649
Density (lb/ft3)
18.07
Description
Insulation Board for Roof deck, 1 in.
Form
Board
K W Mk (W/mK)
0.3853
Material
Fiberboard
Mean Temp (F)
73.61
R Value per Inch (ft2hF/BTU/in)
0.374326
Rsi per Inch (m2K/W/in)
0.065923
Standard
Nist Srd 81 API
Test Method
ASTM C 177

Source: NIST SRD 81 API

fiberboard — record id 1301 · rsi per inch 0.0659227 m2K/W/in · r value per inch 0.374326 ft2hF/BTU/in · k w mk 0.3853 W/mK · date 10/5/1961 | Insulation R Values | Engineering Database