Please note that this is a scanned copy of a paper originally published in 1986, so the text is not as clear as in documents created as pdf files (adjust contrast when printing).

Second in a series of three publications to assist engineers in local authorities and elsewhere in appraisal, maintenance and repair of large panel system dwellings. Should be read in conjunction with IP 8/86 and IP 10/86. This paper sets out the remedial options which are available when the weatherproof joints fail. It describes the functions and underlying principles of the joints.

4 pages.