by J F A Moore (01-Apr-1981)
Please note that this is a scanned copy of a paper originally published in 1981, so the text is not as clear as in documents created as pdf files.
Based on the laboratory measurements of the thickness of zinc on some 150 wall ties removed from 80 buildings owned by the Property Services Agency and local authorities, typical lives are deduced for galvanised wall ties conforming to the minimum standards of BS 1243:1978. It is concluded that more durable ties are required for new construction, but that the majority of existing buildings are sufficiently robust for wide-spread problems to be unlikely.
This paper summarises BRE Current Paper CP3/81.
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J F A Moore
01-Apr-1981
IP4/81
3 pages
Information Paper 4/81, IP4/81, cavity walls, loading, vertical-twist wall ties, corrosion, zinc coating.
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