Convention 3.09 - Transparent Curtain Walling

The description of ‘curtain walling’ in the SBEM database refers to solid or opaque wall construction only andtherefore the U and Km values applied to this construction type do not include areas of glazing or translucentmaterials within the wall space.Areas of glazing or translucent material within a curtain wall should be treated as glazed areas and assessedfollowing the SBEM methodology and iSBEM User Manual. See also ‘Dimensions Convention 10.03’.