BS EN 673:2011
Glass in building. Determination of thermal transmittance (U value). Calculation method
https://doi.org/10.3403/30219370 (published 31/05/2011)
BS EN 673:2011 is maintained by B/520. This standard is available from the following sources:
Other historical versions of this standard document also exist:
- BS EN 673:1998 [current until 31/05/2011]