Steve Walker wrote:

BigWallop wrote:

"Lawrence Zarb" wrote in message
news:ab311db328d41a2c533c3e11bd589a01.52329@myga te.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...


with fiberglass batts in between for warmth...

...tied together occasionally with ties...