In article ,
"Steve Walker" writes:
BigWallop wrote:
"Lawrence Zarb" wrote in message
news:ab311db328d41a2c533c3e11bd589a01.52329@mygate .mailgate.org...
does anyone know of a good on-line site giving details of how to
construct cavity walls

One brick width gap.

External skin / width of brick / internal skin

Conventionally laid in rows, starting at the bottom...

It's not a bad idea to tie them together occasionally too.
A number of Wilson Connolly new home owners have discovered
what happens when this isn't done...

--
Andrew Gabriel