DIN EN 674
Glass in building - Determination of thermal transmittance (U value) - Guarded hot plate method; German version EN 674:2011
Glas im Bauwesen - Bestimmung des Wärmedurchgangskoeffizienten (U-Wert) - Verfahren mit dem Plattengerät; Deutsche Fassung EN 674:2011
Overview
This standard describes a measurement method to determine the thermal transmittance of hermetically sealed multiple glazings with flat and parallel surfaces including cast glass and patterned rolled glass. The determination of the thermal transmittance is performed for conditions which correspond to the average situation for glazing in practice. The method in accordance with EN 674 should generally only be applied when the calculation method in accordance with EN 673 is not applicable or unsuitable. The Committee responsible for this standard is NA 005-09-91 AA "Prüfung von Beschichtungen auf Glas (SpA zu CEN/TC 129/WG 6, CEN/TC 129/WG 9, ISO/TC 160/SC 1/WG 6, ISO/TC 160/SC 2/WG 2)" ("Testing of coatings on glass (Mirror Committee of CEN/TC 129/WG 6, CEN/TC 129/WG 9, ISO/TC 160/SC 1/WG 6, ISO/TC 160/SC 2/WG 2)") at DIN.
Document: references other documents
Document: referenced in other documents
Responsible national committee
Responsible european committee
CEN/TC 129/WG 9 - Light and energy transmission, thermal insulation