Thermal performance of windows and doors - Determination of thermal transmittance by hot box method - Part 1: Complete windows and doors (ISO 12567-1:2000)
This European Standard specifies a method based on ISO 8990 to measure the overall thermal transmittance (U-value) of a window or door in a hot box. This includes all effects of frames, sashes, door leaves and fittings in a test specimen.
Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
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