On Sat, 06 Jan 2007 00:51:19 GMT, wrote:

Modern? the internal soil stack was only in use (apart from high rise
where there would also be fire issues) in the 1970s and 1980s.

Precisely modern... Have external stacks come back? Can't say I pay much
attention to modern pocket handkerchief and rabbit hutch estate housing.

In one of the cold winters in the early 80's some of the external waste
pipe work at my rented Bristol flat froze up, simple reason dripping tap.

--
Cheers
Dave. pam is missing e-mail