Standard [CURRENT]
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This European Standard specifies the method to determine the emissivity of plastic, rubber and bitumen vapour control layers, underlays for walls and underlays for discontinuous roofing. It also defines a conditioning procedure for these product families in order to quantify the sensitivity of emissivity to humidity and temperature. The Committee responsible for this standard is NA 005-02-91 AA "Flexible Bahnen unter Dachdeckungen (SpA zu CEN/TC 254/WG 9)" ("Flexible sheets under roofing (Mirror Committee of CEN/TC 254/WG 9)") at DIN.