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R-17 — Fiberboard Vegetable

Name: Insulation R Values — fiberboard_vegetable: record id 17 · rsi per inch 0.0783951 m2K/W/in · r value per inch 0.445148 ft2hF/BTU/in · date 8/17/1933 · k w mk 0.324 W/mK
Creator: Engineering Database

Material Id: Fiberboard Vegetable
Record Id: 17
Date: 8/17/1933
Delta X (in): 0.926
Density (lb/ft3): 14.4
Description: Flax and Rye fibers, felted, Forming a Rigid board, 1 in.
Form: Board
K W Mk (W/mK): 0.324
Material: Fiberboard, Vegetable
Mean Temp (F): 92.6
R Value per Inch (ft2hF/BTU/in): 0.445148
Rsi per Inch (m2K/W/in): 0.078395
Standard: Nist Srd 81 API
Trade Name: Fibrofelt

Source: NIST SRD 81 API

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fiberboard_vegetable — record id 17 · rsi per inch 0.0783951 m2K/W/in · r value per inch 0.445148 ft2hF/BTU/in · date 8/17/1933 · k w mk 0.324 W/mK | Insulation R Values | Engineering Database