one of my custmers has a new con i cleaned windows as normal to windows above roof water driped on roof left roof dirty she said next time can u clean roof as well i said yea shore ,well did roof an windows yesterday she was out colected cash l8er in day she said the roof is self cleaning so no need 2 clean next time im thinking wth is she on lol ,i bet next time i clean windows she asks me to do roof again lol :Image13: