Tim Downie wrote:
... Something that has always annoyed me about the old block paving is the
ability of weeds to set up home in all the gaps....

Tim

Does anyone make a fine-powdered persistent weedkiller that you could
"dilute" with kiln-dried sand and brush in to the gaps? That would be much
more useful than sprays like Pathclear; most of that gets wasted on the
blocks.

--
LSR