Explore the Engineering Database more efficiently by signing up for free. Sign up free

R-889 — Fiberboard

Name: Insulation R Values — fiberboard: record id 889 · rsi per inch 0.0719547 m2K/W/in · r value per inch 0.408578 ft2hF/BTU/in · k w mk 0.353 W/mK · date 5/1/1953
Creator: Engineering Database

Material Id: Fiberboard
Record Id: 889
Date: 5/1/1953
Delta T (F): 24.03
Delta X (in): 0.9652
Density (lb/ft3): 14.39
Description: Insulation board, 1 in.
Form: Board
K W Mk (W/mK): 0.353
Material: Fiberboard
Mean Temp (F): 69.88
R Value per Inch (ft2hF/BTU/in): 0.408578
Rsi per Inch (m2K/W/in): 0.071955
Standard: Nist Srd 81 API
Test Method: ASTM C 177

Source: NIST SRD 81 API

Browse more civil engineering reference tables →