This document specifies the procedures for determining the declared and design thermal values of building products. It is a Bh-type horizontal standard in support of the standardization of building products as performed by the product related CEN/TCs.
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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