I bought a 50 litre pf trolley as was in the same boat finding big courtyards to clean in centre middle sections of buildings, sadly i have to keep taking trolley back to van to fill up or carry an extra 2 barrels up.! Your 100 diy litre trolly idea im going to steal, dont know why i didnt think of making 1 up myself.
Nice 1 for starting this thread.
Anyone wanna buy a 50 litre pf trolley lol??