ISO 12567-2:2005 specifies a method to measure the thermal transmittance of roof windows and projecting windows. It does not include: edge effects occurring outside the perimeter of the specimen, energy transfer due to solar radiation on the specimen and effects of air leakage through the specimen.
Legislation related to this standard
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
PUBLISHED
EN ISO 12567-2:2005
60.60
Standard published
Oct 15, 2005