ISO 12241:2008 Preview
Thermal insulation for building equipment and industrial installations -- Calculation rules
This standard was last reviewed and confirmed* in 2012.
*Therefore this version remains current
ISO 12241:2008 gives rules for the calculation of heat-transfer-related properties of building equipment and industrial installations, predominantly under steady-state conditions. ISO 12241:2008 also gives a simplified approach for the treatment of thermal bridges.