Report - #1 Val-U-Therm Building System Rev2 - Flight Timber (J) V195J 195 0.11 V220J 0.10 V1451J 0.13 '-Joist V1951J 195 0.10 V2201J 0.09 '-Rafter Size (mm) U-Value (W/m2K) '-rafter with tiles

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