mountfords wrote:
I know, it does sound a bit lame!

The one or two I have managed to remove have taken a reasonable chunk
of the breeze block out so I wondered if there was anything that would
help to break them down - water, chemicals etc?

No quoting, but I've a load on, so am telepathetic. I *know*. Give
the dabs a light fast tap or two with a smorl hammer to crack 'em
before going at them sideways at a shallow angle with a hammer and
bolster.

'night.