the time faffing about with a mop n blade on a pole, you might aswel invest in a backpack, 18ft pole and a RO system. under £500 and soooo much quicker than what your trying to do
i dont care what you say, you cant get brilliant results from doing it that way, ive tried many times, and im good with a mop n blade, for the amount of time wasted doing it that way do what i said