You can get lightweight paving slabs at Pavingslabslite.com
They also do ultralite concrete and bricks that almost defy gravity.
I likes a good patio on a wild camp, though... it does take extra effort, but it's somewhere to put the barbeque...and it does reduce the incidence of slugs.

I've thrown a few last minute "just in case" items in, something I haven't done throughout all my training.

Back up to 8.8kg then but I know I'll drop around 1kg of food each day until my next parcel.

Have a great crossing everyone, I'll be the one wearing mainly blue and orange at Queen Street for the 10:10