British Standards Document
BS EN ISO 6946
Building components and building elements. Thermal resistance and thermal transmittance. Calculation methods

https://doi.org/10.3403/30313347U

BS EN ISO 6946 is maintained by B/540/8. The current release of this standard is:

BS EN ISO 6946:2017 Building components and building elements. Thermal resistance and thermal transmittance. Calculation methods

https://doi.org/10.3403/30313347 (published 16/08/2017)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS EN ISO 6946:2007 [current until 16/08/2017]
BS EN ISO 6946:1997 [current until 30/09/2008]