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Which values should be used for the thermal conductivity (lambda) of STYROFOAM when calculating the thermal performance of building elements?

April 26, 2017building calculating conductivity elements lambda PERFORMANCE Styrofoam Thermal Used values

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Which values should be used for the thermal conductivity (lambda) of STYROFOAM when calculating the thermal performance of building elements?

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The product data pages on this site show the thermal conductivity of STYROFOAM products. Consult the Declared thermal resistances page for thermal resistances of products declared in accordance with BS EN 13164. The thermal performance required of a building element will depend upon the building regulations and the overall energy performance of, and predicted carbon dioxide emissions from, the building (see Part L guidance).