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2010-04-08 - cavity wall insulation
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PURWA plus is approved by the German Institute for Building Technology (DIfBT) (Approval No. Z-23.12-1794) and is designed for cavity wall insulation. Thermal conductivity or K-factor 0,027 W/mK, rated value 0,021 W/mK, measured value according to DIN EN 12667 respectively DIN EN 12939 SAVE ENERGY www.purwa.de
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