The best way to wash windows is never having to get on a ladder and cleans up to 40 ft removing dirt, pollen, salt and other residues, this window cleaner leaves behind a streak-free shine. wash up to 20 ft at a time, rise with water from the sprayer, then use the spray set on clean to apply the product from top to bottom and let soak for one minute then rinse clean. For heavily soiled areas repeat cleaning and use a soft brush to agitate the dirt and grime, rinse again. Rejuvenate outdoor window cleaner is a concentrated non-scrub formula that instantly removes stains from outdoor windows and siding without any scrubbing to reveal the beauty. This outdoor window cleaner is greenguard certified, sustainable, non-toxic and is safe to use on vinyl siding, wood siding, brick, stucco, all roofing and exterior window cleaning.