Please note that this is a scanned copy of a paper originally published in 1994, so the text is not as clear as in documents created as pdf files.
This paper gives guidance on assessing the risk of surface condensation and mould growth at thermal bridges around openings in the external elements of buildings, and describes a method of assessing their effect on overall heat loss. It supports the 1995 revision of the Building Regulations for conservation of fuel and power.