Conventions for calculating linear thermal transmittance and temperature factors. 2nd edition

Report BR 497

BRE, 2016
Conventions for calculating linear thermal transmittance and temperature factors. 2nd edition Download document

Document Status

Current

Supplement

Core Supplement

Series

Report

Abstract

Provides information needed by numerical modellers and designers to carry out heat loss calculations in order to ensure consistent and reproducible results across users and software packages. The second edition has been extensively updated and includes additional junction types with modelling guidance and 10 examples giving linear thermal transmittance determined values and temperature factors.

Author

Ward, T., Hannah, G., Sanders, C

History

This 2016 second edition replaces the previous edition, which has been withdrawn.

Subjects

  • Legal issues and management
  • Building information modelling (BIM)
  • Special subject areas
  • Environmental issues/energy
  • Thermal insulation

Publisher History

BRE is a building science centre that generates new knowledge through research. This is used to create products, tools and standards that drive positive change across the built environment. BRE helps its government and private sector clients meet the significant environmental, social and economic challenges they face in delivering homes, buildings and communities. BRE is owned by the BRE Trust, a registered charity. The Trust uses the profits made by the BRE companies to fund research and education that advances knowledge of the built environment.

Information

NBS

NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.

Accuris

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