House Brite is not only a superior house wash but it can also be used for most surfaces on the property. Used as directed, it will clean painted surfaces without damage. House Brite cleans film and grime from houses, fencing, outdoor furniture, mail boxes, cars and most any surface without brushing. House Brite also excels at removing film that builds up on all surfaces from air & road traffic. This product is safe on most surfaces when used as directed and will work in cold as well as hot water. It will rinse free at any temperature. House Brite will not harm mirror polished or anodized aluminum. Do not allow to dry on surfaces, keep wet and always rinse thoroughly.