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R-51 — Fiberboard

Material Id
Fiberboard
Record Id
51
Date
5/12/1936
Density (lb/ft3)
26
Description
Probably Newsprint and Vegetable Fibers
Form
Board
K W Mk (W/mK)
0.45
Manufacturer
Agasote Millboard Co.
Material
Fiberboard
Mean Temp (F)
75
R Value per Inch (ft2hF/BTU/in)
0.320506
Rsi per Inch (m2K/W/in)
0.056444
Standard
Nist Srd 81 API
Trade Name
Homosote

Source: NIST SRD 81 API

fiberboard — record id 51 · rsi per inch 0.0564444 m2K/W/in · r value per inch 0.320506 ft2hF/BTU/in · k w mk 0.45 W/mK · date 5/12/1936 | Insulation R Values | Engineering Database