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.

First of 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 9/86 and IP 10/86.

This paper examines the basic types of weatherproof joints found in large panel system buildings, and their typical modes of failure. It includes a list of the types of cladding and joints associated with the principal large panel systems. 4 pages.