EN 673:1997

EN 673:1997 is a standard published by the European Committee for Standardization (CEN). Its full title is "Glass in building - Determination of thermal transmittance (U value) - Calculation method". This standard covers: This European Standard specifies a calculation method to determine the thermal transmittance of glazing with flat and parallel surfaces. This European Standard applies to uncoated glass (including glass with structured surfaces, e.g. patterned glass), coated glass and materials not transparent in the far infrared which is the case for soda lime glass products, borosilicate glass and glass ceramic. It applies also to multiple glazing comprising such glasses and/or materials.

This European Standard specifies a calculation method to determine the thermal transmittance of glazing with flat and parallel surfaces. This European Standard applies to uncoated glass (including glass with structured surfaces, e.g. patterned glass), coated glass and materials not transparent in the far infrared which is the case for soda lime glass products, borosilicate glass and glass ceramic. It applies also to multiple glazing comprising such glasses and/or materials.

EN 673:1997 is classified under the following ICS (International Classification for Standards) categories: 81.040.20 - Glass in building. The ICS classification helps identify the subject area and facilitates finding related standards.

EN 673:1997 has the following relationships with other standards: It is inter standard links to EN 673:2011, EN 54-11:2001, EN 54-10:2002, EN 54-17:2005, EN 13046:2000, EN 54-5:2000, EN 12079-1:2006, EN 13047:2000, EN ISO 1514:2004, EN 13997:2003, EN 54-7:2000, EN 12094-12:2003, EN 13363-1:2003+A1:2007, EN 673:1997/A1:2000, EN 673:1997/A2:2002. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

EN 673:1997 is associated with the following European legislation: EU Directives/Regulations: 305/2011, 89/106/EEC; Standardization Mandates: M/135, M/BC/CEN/91/7. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.

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